31489204 has 12 divisors (see below), whose sum is σ = 55770624. Its totient is φ = 15554744.

The previous prime is 31489193. The next prime is 31489217. The reversal of 31489204 is 40298413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47092 + ... + 47755.

It is an arithmetic number, because the mean of its divisors is an integer number (4647552).

Almost surely, 2^31489204 is an apocalyptic number.

It is an amenable number.

31489204 is a deficient number, since it is larger than the sum of its proper divisors (24281420).

31489204 is a wasteful number, since it uses less digits than its factorization.

31489204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94934 (or 94932 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 31489204 is about 5611.5242136161. The cubic root of 31489204 is about 315.7818956447.

The spelling of 31489204 in words is "thirty-one million, four hundred eighty-nine thousand, two hundred four".