31793104 has 40 divisors (see below), whose sum is σ = 72677888. Its totient is φ = 13184640.

The previous prime is 31793087. The next prime is 31793131. The reversal of 31793104 is 40139713.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1107 + ... + 8050.

Almost surely, 2^31793104 is an apocalyptic number.

It is an amenable number.

31793104 is an abundant number, since it is smaller than the sum of its proper divisors (40884784).

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

31793104 is a wasteful number, since it uses less digits than its factorization.

31793104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9203 (or 9197 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 31793104 is about 5638.5373990069. The cubic root of 31793104 is about 316.7945076931.

The spelling of 31793104 in words is "thirty-one million, seven hundred ninety-three thousand, one hundred four".