31043662012 has 192 divisors, whose sum is σ = 66595737600. Its totient is φ = 12503808000.

The previous prime is 31043662007. The next prime is 31043662037. The reversal of 31043662012 is 21026634013.

It is a super-2 number, since 2×31043662012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 115403814 + ... + 115404082.

It is an arithmetic number, because the mean of its divisors is an integer number (346852800).

Almost surely, 2^31043662012 is an apocalyptic number.

It is an amenable number.

31043662012 is an abundant number, since it is smaller than the sum of its proper divisors (35552075588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31043662012 is a wasteful number, since it uses less digits than its factorization.

31043662012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 31043662012 in words is "thirty-one billion, forty-three million, six hundred sixty-two thousand, twelve".