204304131 has 24 divisors (see below), whose sum is σ = 312000000. Its totient is φ = 128468592.

The previous prime is 204304117. The next prime is 204304153. The reversal of 204304131 is 131403402.

204304131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204304131 - 2⁵ = 204304099 is a prime.

It is a super-2 number, since 2×204304131² = 83480355887330322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204304171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38370 + ... + 43368.

It is an arithmetic number, because the mean of its divisors is an integer number (13000000).

Almost surely, 2^204304131 is an apocalyptic number.

204304131 is a deficient number, since it is larger than the sum of its proper divisors (107695869).

204304131 is a wasteful number, since it uses less digits than its factorization.

204304131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263 (or 5260 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 204304131 is about 14293.4996064645. The cubic root of 204304131 is about 588.9689269257.

Adding to 204304131 its reverse (131403402), we get a palindrome (335707533).

The spelling of 204304131 in words is "two hundred four million, three hundred four thousand, one hundred thirty-one".