31574012 has 6 divisors (see below), whose sum is σ = 55254528. Its totient is φ = 15787004.

The previous prime is 31573999. The next prime is 31574021. The reversal of 31574012 is 21047513.

It is a super-2 number, since 2×31574012² = 1993836467552288, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3946748 + ... + 3946755.

It is an arithmetic number, because the mean of its divisors is an integer number (9209088).

Almost surely, 2^31574012 is an apocalyptic number.

It is an amenable number.

31574012 is a deficient number, since it is larger than the sum of its proper divisors (23680516).

31574012 is a wasteful number, since it uses less digits than its factorization.

31574012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7893507 (or 7893505 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 31574012 is about 5619.0757247078. The cubic root of 31574012 is about 316.0651337190.

The spelling of 31574012 in words is "thirty-one million, five hundred seventy-four thousand, twelve".