31243160696 has 32 divisors (see below), whose sum is σ = 63913449600. Its totient is φ = 14199884640.

The previous prime is 31243160687. The next prime is 31243160717. The reversal of 31243160696 is 69606134213.

It is a super-2 number, since 2×31243160696² (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 7 ways as a sum of consecutive naturals, for example, 1288541 + ... + 1312563.

It is an arithmetic number, because the mean of its divisors is an integer number (1997295300).

Almost surely, 2^31243160696 is an apocalyptic number.

It is an amenable number.

31243160696 is an abundant number, since it is smaller than the sum of its proper divisors (32670288904).

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

31243160696 is a wasteful number, since it uses less digits than its factorization.

31243160696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38819 (or 38815 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 31243160696 in words is "thirty-one billion, two hundred forty-three million, one hundred sixty thousand, six hundred ninety-six".