31594042 has 16 divisors (see below), whose sum is σ = 50388480. Its totient is φ = 14823952.

The previous prime is 31594039. The next prime is 31594049. The reversal of 31594042 is 24049513.

It is a self number, because there is not a number n which added to its sum of digits gives 31594042.

It is not an unprimeable number, because it can be changed into a prime (31594049) 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, 4042 + ... + 8917.

It is an arithmetic number, because the mean of its divisors is an integer number (3149280).

Almost surely, 2^31594042 is an apocalyptic number.

31594042 is a deficient number, since it is larger than the sum of its proper divisors (18794438).

31594042 is a wasteful number, since it uses less digits than its factorization.

31594042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13037.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 31594042 is about 5620.8577637225. The cubic root of 31594042 is about 316.1319549852.

The spelling of 31594042 in words is "thirty-one million, five hundred ninety-four thousand, forty-two".