31597271404 has 12 divisors (see below), whose sum is σ = 55410667200. Its totient is φ = 15765652208.

The previous prime is 31597271399. The next prime is 31597271417. The reversal of 31597271404 is 40417279513.

It is a super-2 number, since 2×31597271404² (a number of 22 digits) contains 22 as substring.

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, 8243719 + ... + 8247550.

It is an arithmetic number, because the mean of its divisors is an integer number (4617555600).

Almost surely, 2^31597271404 is an apocalyptic number.

It is an amenable number.

31597271404 is a deficient number, since it is larger than the sum of its proper divisors (23813395796).

31597271404 is a wasteful number, since it uses less digits than its factorization.

31597271404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16491752 (or 16491750 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 31597271404 in words is "thirty-one billion, five hundred ninety-seven million, two hundred seventy-one thousand, four hundred four".