204231112312311 has 48 divisors (see below), whose sum is σ = 340645997036800. Its totient is φ = 115491253261824.

The previous prime is 204231112312277. The next prime is 204231112312313. The reversal of 204231112312311 is 113213211132402.

204231112312311 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 3 + 111 + 231 + 2 + 311 = 666.

It is not a de Polignac number, because 204231112312311 - 2¹⁰ = 204231112311287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204231112312313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76536300 + ... + 79159758.

Almost surely, 2^{204231112312311} is an apocalyptic number.

204231112312311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

204231112312311 is a deficient number, since it is larger than the sum of its proper divisors (136414884724489).

204231112312311 is a wasteful number, since it uses less digits than its factorization.

204231112312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636308 (or 2636305 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 204231112312311 its reverse (113213211132402), we get a palindrome (317444323444713).

The spelling of 204231112312311 in words is "two hundred four trillion, two hundred thirty-one billion, one hundred twelve million, three hundred twelve thousand, three hundred eleven".