231204012304 has 20 divisors (see below), whose sum is σ = 447967057564. Its totient is φ = 115599610368.

The previous prime is 231204012253. The next prime is 231204012329. The reversal of 231204012304 is 403210402132.

It can be written as a sum of positive squares in 2 ways, for example, as 191714373904 + 39489638400 = 437852^2 + 198720^2 .

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, 847804 + ... + 1086820.

Almost surely, 2^231204012304 is an apocalyptic number.

It is an amenable number.

231204012304 is a deficient number, since it is larger than the sum of its proper divisors (216763045260).

231204012304 is a wasteful number, since it uses less digits than its factorization.

231204012304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299482 (or 299476 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 231204012304 its reverse (403210402132), we get a palindrome (634414414436).

The spelling of 231204012304 in words is "two hundred thirty-one billion, two hundred four million, twelve thousand, three hundred four".