231142113124 has 12 divisors (see below), whose sum is σ = 435613982524. Its totient is φ = 106680975264.

The previous prime is 231142113091. The next prime is 231142113173. The reversal of 231142113124 is 421311241132.

It can be written as a sum of positive squares in 2 ways, for example, as 137701850724 + 93440262400 = 371082^2 + 305680^2 .

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, 2222520267 + ... + 2222520370.

Almost surely, 2^231142113124 is an apocalyptic number.

It is an amenable number.

231142113124 is a deficient number, since it is larger than the sum of its proper divisors (204471869400).

231142113124 is a wasteful number, since it uses less digits than its factorization.

231142113124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445040654 (or 4445040652 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

Adding to 231142113124 its reverse (421311241132), we get a palindrome (652453354256).

The spelling of 231142113124 in words is "two hundred thirty-one billion, one hundred forty-two million, one hundred thirteen thousand, one hundred twenty-four".