31539453 divided by 897 
The aim is to understand the frequency of 897 in 31539453.

Advancing to step 1:
If we divide 3 by 897, we get 0 and a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 3 to get 3.
Grab the next digit (1) from the dividend, add it to 3, then carry on: 31 / 897

Step 2:
31 divided by 897 is 0 with a remainder of 31.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 31 after subtracting 0 from 31.
Bring next digit (5) of the dividend behind the 31 and repeat the process: 315 / 897

Going ahead to step 3:
315 divided by 897 is 0 with a remainder of 315.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 315 to get 315.
Include the next digit (3) from the dividend after 315, then repeat: 3153 / 897

Moving on to step 4:
897 can be fit into 3153 3 times, resulting in a remainder of 462.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
The remainder is 462 after subtracting 2691 from 3153.
Include the next digit (9) from the dividend after 462, then repeat: 4629 / 897

On to step 5:
897 goes into 4629 5 times with a remainder of 144.
Put 5 as the next digit of the answer. 
Result so far: 35.0
The remainder is 144 after subtracting 4485 from 4629.
Fetch the next digit (4) from the dividend, attach it to 144 and continue: 1444 / 897

Let's proceed to step 6:
897 can be fit into 1444 1 times, resulting in a remainder of 547.
Use 1 as the next digit of our solution. 
Result so far: 351.0
If we take 897 away from 1444, we end up with 547.
Bring next digit (5) of the dividend behind the 547 and repeat the process: 5475 / 897

Moving on to step 7:
The number 897 fits into 5475 6 times, leaving a remainder of 93.
The next digit of our result is 6. 
Result so far: 3516.0
Subtract 5382 from 5475 to get 93.
Bring next digit (3) of the dividend behind the 93 and repeat the process: 933 / 897

Let's proceed to step 8:
897 goes into 933 1 times with a remainder of 36.
Put 1 as the next digit of the answer. 
Result so far: 35161.0
Subtracting 897 from 933 leaves us with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Step 9:
The number 897 fits into 360 0 times, leaving a remainder of 360.
The number 0 becomes the next digit in our result. 
Result so far: 35161.0
Subtracting 0 from 360 leaves us with 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3600, and continue the process.

Advancing to step 10:
3600 divided by 897 is 4 with a remainder of 12.
The next digit of our result is 4. 
Result so far: 35161.04
If we take 3588 away from 3600, we end up with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Moving on to step 11:
If we divide 120 by 897, we get 0 and a remainder of 120.
Write down 0 as next digit of the result. 
Result so far: 35161.04
The remainder is 120 after subtracting 0 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

On to step 12:
The number 897 fits into 1200 1 times, leaving a remainder of 303.
The number 1 becomes the next digit in our result. 
Result so far: 35161.0401
If we take 897 away from 1200, we end up with 303.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3030, and continue the process.

Advancing to step 13:
897 goes into 3030 3 times with a remainder of 339.
Record the quotient 3 as the next digit in the result. 
Result so far: 35161.04013
Subtract 2691 from 3030 to get 339.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3390, and continue the process.

Let's proceed to step 14:
The number 897 fits into 3390 3 times, leaving a remainder of 699.
Put 3 as the next digit of the answer. 
Result so far: 35161.040133
If we take 2691 away from 3390, we end up with 699.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6990, and continue the process.

The final outcome is 35161.040133, with a leftover of 6.99e-05.