Alright, let's work through 31131010 times 67297454 step by step
31131010 × 67297454 = 67297454 × (31131010)
+ 67297454 × 0 producing 0
+ 67297454 × 10 giving us 672974540
+ 67297454 × 000 which equals 0
+ 67297454 × 1000 producing 67297454000
+ 67297454 × 30000 giving us 2018923620000
+ 67297454 × 100000 resulting in 6729745400000
+ 67297454 × 1000000 that is equal 67297454000000
+ 67297454 × 30000000 giving us 2018923620000000

= 2095037713448540
