31671431675 has 12 divisors (see below), whose sum is σ = 42293543040. Its totient is φ = 23388133920.

The previous prime is 31671431669. The next prime is 31671431707. The reversal of 31671431675 is 57613417613.

It is not a de Polignac number, because 31671431675 - 2²⁶ = 31604322811 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48724955 + ... + 48725604.

It is an arithmetic number, because the mean of its divisors is an integer number (3524461920).

Almost surely, 2^31671431675 is an apocalyptic number.

31671431675 is a deficient number, since it is larger than the sum of its proper divisors (10622111365).

31671431675 is a wasteful number, since it uses less digits than its factorization.

31671431675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97450582 (or 97450577 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The spelling of 31671431675 in words is "thirty-one billion, six hundred seventy-one million, four hundred thirty-one thousand, six hundred seventy-five".