231040204 has 12 divisors (see below), whose sum is σ = 413723464. Its totient is φ = 112833504.

The previous prime is 231040189. The next prime is 231040213. The reversal of 231040204 is 402040132.

231040204 is digitally balanced in base 2 and base 3, because in such bases 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 3 ways as a sum of consecutive naturals, for example, 671457 + ... + 671800.

Almost surely, 2^231040204 is an apocalyptic number.

It is an amenable number.

231040204 is a deficient number, since it is larger than the sum of its proper divisors (182683260).

231040204 is a wasteful number, since it uses less digits than its factorization.

231040204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343304 (or 1343302 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 231040204 is about 15200.0067105248. The cubic root of 231040204 is about 613.6148383514.

Adding to 231040204 its reverse (402040132), we get a palindrome (633080336).

The spelling of 231040204 in words is "two hundred thirty-one million, forty thousand, two hundred four".