31362007864 has 32 divisors (see below), whose sum is σ = 67923068400. Its totient is φ = 13416901120.

The previous prime is 31362007849. The next prime is 31362007871. The reversal of 31362007864 is 46870026313.

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, 10480459 + ... + 10483450.

Almost surely, 2^31362007864 is an apocalyptic number.

31362007864 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31362007864 is an abundant number, since it is smaller than the sum of its proper divisors (36561060536).

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

31362007864 is a wasteful number, since it uses less digits than its factorization.

31362007864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20963943 (or 20963939 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 31362007864 in words is "thirty-one billion, three hundred sixty-two million, seven thousand, eight hundred sixty-four".