31033104 has 20 divisors (see below), whose sum is σ = 80168976. Its totient is φ = 10344352.

The previous prime is 31033097. The next prime is 31033111. The reversal of 31033104 is 40133013.

It is an interprime number because it is at equal distance from previous prime (31033097) and next prime (31033111).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323214 + ... + 323309.

Almost surely, 2^31033104 is an apocalyptic number.

It is an amenable number.

31033104 is an abundant number, since it is smaller than the sum of its proper divisors (49135872).

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

31033104 is a wasteful number, since it uses less digits than its factorization.

31033104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646534 (or 646528 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 31033104 is about 5570.7363965637. The cubic root of 31033104 is about 314.2498450997.

Adding to 31033104 its reverse (40133013), we get a palindrome (71166117).

Subtracting 31033104 from its reverse (40133013), we obtain a palindrome (9099909).

The spelling of 31033104 in words is "thirty-one million, thirty-three thousand, one hundred four".