3131204 has 12 divisors (see below), whose sum is σ = 5492844. Its totient is φ = 1561824.

The previous prime is 3131203. The next prime is 3131209. The reversal of 3131204 is 4021313.

It can be written as a sum of positive squares in 2 ways, for example, as 722500 + 2408704 = 850^2 + 1552^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1814 + ... + 3090.

It is an arithmetic number, because the mean of its divisors is an integer number (457737).

Almost surely, 2^3131204 is an apocalyptic number.

It is an amenable number.

3131204 is a deficient number, since it is larger than the sum of its proper divisors (2361640).

3131204 is a wasteful number, since it uses less digits than its factorization.

3131204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1892 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3131204 is about 1769.5208390974. The cubic root of 3131204 is about 146.2975728549.

Adding to 3131204 its reverse (4021313), we get a palindrome (7152517).

The spelling of 3131204 in words is "three million, one hundred thirty-one thousand, two hundred four".