31869104 has 10 divisors (see below), whose sum is σ = 61746420. Its totient is φ = 15934544.

The previous prime is 31869091. The next prime is 31869107. The reversal of 31869104 is 40196813.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31869107) by changing a digit.

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 as a sum of consecutive naturals, namely, 995894 + ... + 995925.

It is an arithmetic number, because the mean of its divisors is an integer number (6174642).

Almost surely, 2^31869104 is an apocalyptic number.

It is an amenable number.

31869104 is a deficient number, since it is larger than the sum of its proper divisors (29877316).

31869104 is a wasteful number, since it uses less digits than its factorization.

31869104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991827 (or 1991821 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 31869104 is about 5645.2727126331. The cubic root of 31869104 is about 317.0467345441.

The spelling of 31869104 in words is "thirty-one million, eight hundred sixty-nine thousand, one hundred four".