31146004 has 12 divisors (see below), whose sum is σ = 54681844. Its totient is φ = 15522624.

The previous prime is 31145977. The next prime is 31146013. The reversal of 31146004 is 40064113.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 121104 + 31024900 = 348^2 + 5570^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11187 + ... + 13690.

Almost surely, 2^31146004 is an apocalyptic number.

It is an amenable number.

31146004 is a deficient number, since it is larger than the sum of its proper divisors (23535840).

31146004 is a wasteful number, since it uses less digits than its factorization.

31146004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25194 (or 25192 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 31146004 is about 5580.8605071261. The cubic root of 31146004 is about 314.6304694989.

The spelling of 31146004 in words is "thirty-one million, one hundred forty-six thousand, four".