31625510968 has 16 divisors (see below), whose sum is σ = 61876000080. Its totient is φ = 15125244288.

The previous prime is 31625510953. The next prime is 31625511013. The reversal of 31625510968 is 86901552613.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

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, 85938705 + ... + 85939072.

It is an arithmetic number, because the mean of its divisors is an integer number (3867250005).

Almost surely, 2^31625510968 is an apocalyptic number.

It is an amenable number.

31625510968 is a deficient number, since it is larger than the sum of its proper divisors (30250489112).

31625510968 is a wasteful number, since it uses less digits than its factorization.

31625510968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171877806 (or 171877802 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 31625510968 in words is "thirty-one billion, six hundred twenty-five million, five hundred ten thousand, nine hundred sixty-eight".