232031111999881 has 2 divisors, whose sum is σ = 232031111999882. Its totient is φ = 232031111999880.

The previous prime is 232031111999837. The next prime is 232031112000007. The reversal of 232031111999881 is 188999111130232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220603439925625 + 11427672074256 = 14852725^2 + 3380484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232031111999881 is a prime.

It is a super-2 number, since 2×232031111999881² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (232031111999801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116015555999940 + 116015555999941.

It is an arithmetic number, because the mean of its divisors is an integer number (116015555999941).

Almost surely, 2^{232031111999881} is an apocalyptic number.

It is an amenable number.

232031111999881 is a deficient number, since it is larger than the sum of its proper divisors (1).

232031111999881 is an equidigital number, since it uses as much as digits as its factorization.

232031111999881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 58.

The spelling of 232031111999881 in words is "two hundred thirty-two trillion, thirty-one billion, one hundred eleven million, nine hundred ninety-nine thousand, eight hundred eighty-one".