232111111231 has 8 divisors (see below), whose sum is σ = 239729481728. Its totient is φ = 224500923000.

The previous prime is 232111111201. The next prime is 232111111259. The reversal of 232111111231 is 132111111232.

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

It is a cyclic number.

It is not a de Polignac number, because 232111111231 - 2⁷ = 232111111103 is a prime.

It is a super-2 number, since 2×232111111231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 232111111199 and 232111111208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232111111201) 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, 1987875 + ... + 2101396.

It is an arithmetic number, because the mean of its divisors is an integer number (29966185216).

Almost surely, 2^232111111231 is an apocalyptic number.

232111111231 is a deficient number, since it is larger than the sum of its proper divisors (7618370497).

232111111231 is a wasteful number, since it uses less digits than its factorization.

232111111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091133.

The product of its digits is 72, while the sum is 19.

Adding to 232111111231 its reverse (132111111232), we get a palindrome (364222222463).

Subtracting from 232111111231 its reverse (132111111232), we obtain a palindrome (99999999999).

The spelling of 232111111231 in words is "two hundred thirty-two billion, one hundred eleven million, one hundred eleven thousand, two hundred thirty-one".