31013123032 has 16 divisors (see below), whose sum is σ = 58152699000. Its totient is φ = 15505736640.

The previous prime is 31013123023. The next prime is 31013123039. The reversal of 31013123032 is 23032131013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013123039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74719 + ... + 260017.

Almost surely, 2^31013123032 is an apocalyptic number.

It is an amenable number.

31013123032 is a deficient number, since it is larger than the sum of its proper divisors (27139575968).

31013123032 is a wasteful number, since it uses less digits than its factorization.

31013123032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206226 (or 206222 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31013123032 its reverse (23032131013), we get a palindrome (54045254045).

The spelling of 31013123032 in words is "thirty-one billion, thirteen million, one hundred twenty-three thousand, thirty-two".