31457428924 has 24 divisors (see below), whose sum is σ = 56527909200. Its totient is φ = 15308430720.

The previous prime is 31457428903. The next prime is 31457428931. The reversal of 31457428924 is 42982475413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160179 + ... + 297610.

It is an arithmetic number, because the mean of its divisors is an integer number (2355329550).

Almost surely, 2^31457428924 is an apocalyptic number.

It is an amenable number.

31457428924 is a deficient number, since it is larger than the sum of its proper divisors (25070480276).

31457428924 is a wasteful number, since it uses less digits than its factorization.

31457428924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458253 (or 458251 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The spelling of 31457428924 in words is "thirty-one billion, four hundred fifty-seven million, four hundred twenty-eight thousand, nine hundred twenty-four".