231432204 has 24 divisors (see below), whose sum is σ = 548070208. Its totient is φ = 75992400.

The previous prime is 231432197. The next prime is 231432247. The reversal of 231432204 is 402234132.

231432204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143122 + ... + 144729.

Almost surely, 2^231432204 is an apocalyptic number.

It is an amenable number.

231432204 is an abundant number, since it is smaller than the sum of its proper divisors (316638004).

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

231432204 is a wasteful number, since it uses less digits than its factorization.

231432204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287925 (or 287923 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 231432204 is about 15212.8959767692. The cubic root of 231432204 is about 613.9616771308.

Adding to 231432204 its reverse (402234132), we get a palindrome (633666336).

The spelling of 231432204 in words is "two hundred thirty-one million, four hundred thirty-two thousand, two hundred four".