31234564152 has 96 divisors (see below), whose sum is σ = 93235549680. Its totient is φ = 9367418880.

The previous prime is 31234564079. The next prime is 31234564171. The reversal of 31234564152 is 25146543213.

31234564152 is a `hidden beast` number, since 3 + 1 + 2 + 3 + 4 + 5 + 641 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126463 + ... + 280110.

Almost surely, 2^31234564152 is an apocalyptic number.

It is an amenable number.

31234564152 is an abundant number, since it is smaller than the sum of its proper divisors (62000985528).

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

31234564152 is a wasteful number, since it uses less digits than its factorization.

31234564152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406693 (or 406686 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 31234564152 in words is "thirty-one billion, two hundred thirty-four million, five hundred sixty-four thousand, one hundred fifty-two".