31164104 has 32 divisors (see below), whose sum is σ = 61780800. Its totient is φ = 14696640.

The previous prime is 31164097. The next prime is 31164109. The reversal of 31164104 is 40146113.

It is not an unprimeable number, because it can be changed into a prime (31164109) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 63749 + ... + 64235.

It is an arithmetic number, because the mean of its divisors is an integer number (1930650).

Almost surely, 2^31164104 is an apocalyptic number.

It is an amenable number.

31164104 is a deficient number, since it is larger than the sum of its proper divisors (30616696).

31164104 is a wasteful number, since it uses less digits than its factorization.

31164104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 31164104 is about 5582.4818853266. The cubic root of 31164104 is about 314.6914051778.

Subtracting 31164104 from its reverse (40146113), we obtain a square (8982009 = 2997²).

The spelling of 31164104 in words is "thirty-one million, one hundred sixty-four thousand, one hundred four".