31104392 has 16 divisors (see below), whose sum is σ = 63622800. Its totient is φ = 14138320.

The previous prime is 31104389. The next prime is 31104413. The reversal of 31104392 is 29340113.

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, 176642 + ... + 176817.

It is an arithmetic number, because the mean of its divisors is an integer number (3976425).

Almost surely, 2^31104392 is an apocalyptic number.

It is an amenable number.

31104392 is an abundant number, since it is smaller than the sum of its proper divisors (32518408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31104392 is a wasteful number, since it uses less digits than its factorization.

31104392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353476 (or 353472 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 31104392 is about 5577.1311621657. The cubic root of 31104392 is about 314.4902884552.

The spelling of 31104392 in words is "thirty-one million, one hundred four thousand, three hundred ninety-two".