31304044 has 12 divisors (see below), whose sum is σ = 54826744. Its totient is φ = 15639264.

The previous prime is 31304029. The next prime is 31304107. The reversal of 31304044 is 44040313.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4267 + ... + 8989.

Almost surely, 2^31304044 is an apocalyptic number.

It is an amenable number.

31304044 is a deficient number, since it is larger than the sum of its proper divisors (23522700).

31304044 is a wasteful number, since it uses less digits than its factorization.

31304044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6384 (or 6382 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 31304044 is about 5595.0016979443. The cubic root of 31304044 is about 315.1617343628.

Subtracting from 31304044 its sum of digits (19), we obtain a square (31304025 = 5595²).

Adding to 31304044 its reverse (44040313), we get a palindrome (75344357).

The spelling of 31304044 in words is "thirty-one million, three hundred four thousand, forty-four".