30131204 has 12 divisors (see below), whose sum is σ = 52852800. Its totient is φ = 15030408.

The previous prime is 30131201. The next prime is 30131243. The reversal of 30131204 is 40213103.

It is not an unprimeable number, because it can be changed into a prime (30131201) 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, 6824 + ... + 10335.

It is an arithmetic number, because the mean of its divisors is an integer number (4404400).

Almost surely, 2^30131204 is an apocalyptic number.

It is an amenable number.

30131204 is a deficient number, since it is larger than the sum of its proper divisors (22721596).

30131204 is a wasteful number, since it uses less digits than its factorization.

30131204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17602 (or 17600 counting only the distinct ones).

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

The square root of 30131204 is about 5489.1897398432. The cubic root of 30131204 is about 311.1755710917.

Adding to 30131204 its reverse (40213103), we get a palindrome (70344307).

The spelling of 30131204 in words is "thirty million, one hundred thirty-one thousand, two hundred four".