232111331131 has 4 divisors (see below), whose sum is σ = 244327717000. Its totient is φ = 219894945264.

The previous prime is 232111331071. The next prime is 232111331143. The reversal of 232111331131 is 131133111232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232111331131 - 2¹¹ = 232111329083 is a prime.

It is a super-2 number, since 2×232111331131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232111431131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6108192906 + ... + 6108192943.

It is an arithmetic number, because the mean of its divisors is an integer number (61081929250).

Almost surely, 2^232111331131 is an apocalyptic number.

232111331131 is a deficient number, since it is larger than the sum of its proper divisors (12216385869).

232111331131 is a wasteful number, since it uses less digits than its factorization.

232111331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12216385868.

The product of its digits is 324, while the sum is 22.

Adding to 232111331131 its reverse (131133111232), we get a palindrome (363244442363).

The spelling of 232111331131 in words is "two hundred thirty-two billion, one hundred eleven million, three hundred thirty-one thousand, one hundred thirty-one".