31310013032 has 16 divisors (see below), whose sum is σ = 58799320800. Its totient is φ = 15630194160.

The previous prime is 31310013019. The next prime is 31310013043. The reversal of 31310013032 is 23031001313.

It is a self number, because there is not a number n which added to its sum of digits gives 31310013032.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3096182 + ... + 3106277.

It is an arithmetic number, because the mean of its divisors is an integer number (3674957550).

Almost surely, 2^31310013032 is an apocalyptic number.

It is an amenable number.

31310013032 is a deficient number, since it is larger than the sum of its proper divisors (27489307768).

31310013032 is a wasteful number, since it uses less digits than its factorization.

31310013032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6203096 (or 6203092 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31310013032 its reverse (23031001313), we get a palindrome (54341014345).

The spelling of 31310013032 in words is "thirty-one billion, three hundred ten million, thirteen thousand, thirty-two".