231120204 has 48 divisors (see below), whose sum is σ = 632986368. Its totient is φ = 64248768.

The previous prime is 231120193. The next prime is 231120209. The reversal of 231120204 is 402021132.

It is not an unprimeable number, because it can be changed into a prime (231120209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34074 + ... + 40289.

It is an arithmetic number, because the mean of its divisors is an integer number (13187216).

Almost surely, 2^231120204 is an apocalyptic number.

It is an amenable number.

231120204 is an abundant number, since it is smaller than the sum of its proper divisors (401866164).

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

231120204 is a wasteful number, since it uses less digits than its factorization.

231120204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74414 (or 74412 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 231120204 is about 15202.6380605473. The cubic root of 231120204 is about 613.6856536200.

Adding to 231120204 its reverse (402021132), we get a palindrome (633141336).

The spelling of 231120204 in words is "two hundred thirty-one million, one hundred twenty thousand, two hundred four".