Alright, let's work through 10011662 times 31312811 step by step
10011662 × 31312811 = 31312811 × (10011662)
+ 31312811 × 2 resulting in 62625622
+ 31312811 × 60 resulting in 1878768660
+ 31312811 × 600 producing 18787686600
+ 31312811 × 1000 giving us 31312811000
+ 31312811 × 10000 which equals 313128110000
+ 31312811 × 000000 producing 0
+ 31312811 × 0000000 giving us 0
+ 31312811 × 10000000 producing 313128110000000

= 313493280001882
