232331112121231 has 8 divisors (see below), whose sum is σ = 235224221742720. Its totient is φ = 229440239156952.

The previous prime is 232331112121211. The next prime is 232331112121243. The reversal of 232331112121231 is 132121211133232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232331112121231 is a prime.

It is a super-2 number, since 2×232331112121231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232331112121231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232331112121211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558955261 + ... + 559370758.

It is an arithmetic number, because the mean of its divisors is an integer number (29403027717840).

Almost surely, 2^{232331112121231} is an apocalyptic number.

232331112121231 is a deficient number, since it is larger than the sum of its proper divisors (2893109621489).

232331112121231 is a wasteful number, since it uses less digits than its factorization.

232331112121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118328605.

The product of its digits is 2592, while the sum is 28.

Adding to 232331112121231 its reverse (132121211133232), we get a palindrome (364452323254463).

The spelling of 232331112121231 in words is "two hundred thirty-two trillion, three hundred thirty-one billion, one hundred twelve million, one hundred twenty-one thousand, two hundred thirty-one".