231304204404 has 72 divisors (see below), whose sum is σ = 719613090560. Its totient is φ = 61003305792.

The previous prime is 231304204393. The next prime is 231304204499. The reversal of 231304204404 is 404402403132.

It is a happy number.

231304204404 is a `hidden beast` number, since 23 + 1 + 30 + 4 + 204 + 404 = 666.

231304204404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35299564 + ... + 35306115.

Almost surely, 2^231304204404 is an apocalyptic number.

It is an amenable number.

231304204404 is an abundant number, since it is smaller than the sum of its proper divisors (488308886156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231304204404 is a wasteful number, since it uses less digits than its factorization.

231304204404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70605709 (or 70605704 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 231304204404 its reverse (404402403132), we get a palindrome (635706607536).

The spelling of 231304204404 in words is "two hundred thirty-one billion, three hundred four million, two hundred four thousand, four hundred four".