31072423459 has 24 divisors (see below), whose sum is σ = 41145850368. Its totient is φ = 23159561040.

The previous prime is 31072423453. The next prime is 31072423477. The reversal of 31072423459 is 95432427013.

It is not a de Polignac number, because 31072423459 - 2⁷ = 31072423331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31072423453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1240827 + ... + 1265620.

It is an arithmetic number, because the mean of its divisors is an integer number (1714410432).

Almost surely, 2^31072423459 is an apocalyptic number.

31072423459 is a deficient number, since it is larger than the sum of its proper divisors (10073426909).

31072423459 is a wasteful number, since it uses less digits than its factorization.

31072423459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506495 (or 2506488 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 31072423459 in words is "thirty-one billion, seventy-two million, four hundred twenty-three thousand, four hundred fifty-nine".