232111431131 has 2 divisors, whose sum is σ = 232111431132. Its totient is φ = 232111431130.

The previous prime is 232111431121. The next prime is 232111431187. The reversal of 232111431131 is 131134111232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232111431131 - 2¹⁴ = 232111414747 is a prime.

It is a super-2 number, since 2×232111431131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 232111431097 and 232111431106.

It is not a weakly prime, because it can be changed into another prime (232111431121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116055715565 + 116055715566.

It is an arithmetic number, because the mean of its divisors is an integer number (116055715566).

Almost surely, 2^232111431131 is an apocalyptic number.

232111431131 is a deficient number, since it is larger than the sum of its proper divisors (1).

232111431131 is an equidigital number, since it uses as much as digits as its factorization.

232111431131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

Adding to 232111431131 its reverse (131134111232), we get a palindrome (363245542363).

The spelling of 232111431131 in words is "two hundred thirty-two billion, one hundred eleven million, four hundred thirty-one thousand, one hundred thirty-one".