31900268474 has 16 divisors (see below), whose sum is σ = 48763340712. Its totient is φ = 15645946368.

The previous prime is 31900268473. The next prime is 31900268497. The reversal of 31900268474 is 47486200913.

It can be written as a sum of positive squares in 4 ways, for example, as 31366889449 + 533379025 = 177107^2 + 23095^2 .

It is not an unprimeable number, because it can be changed into a prime (31900268471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530402 + ... + 587474.

Almost surely, 2^31900268474 is an apocalyptic number.

31900268474 is a deficient number, since it is larger than the sum of its proper divisors (16863072238).

31900268474 is a wasteful number, since it uses less digits than its factorization.

31900268474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62401.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 31900268474 in words is "thirty-one billion, nine hundred million, two hundred sixty-eight thousand, four hundred seventy-four".