231081027115199 has 2 divisors, whose sum is σ = 231081027115200. Its totient is φ = 231081027115198.

The previous prime is 231081027115181. The next prime is 231081027115261. The reversal of 231081027115199 is 991511720180132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231081027115199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231081027135199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115540513557599 + 115540513557600.

It is an arithmetic number, because the mean of its divisors is an integer number (115540513557600).

Almost surely, 2^{231081027115199} is an apocalyptic number.

231081027115199 is a deficient number, since it is larger than the sum of its proper divisors (1).

231081027115199 is an equidigital number, since it uses as much as digits as its factorization.

231081027115199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 50.

The spelling of 231081027115199 in words is "two hundred thirty-one trillion, eighty-one billion, twenty-seven million, one hundred fifteen thousand, one hundred ninety-nine".