231199764130199 has 2 divisors, whose sum is σ = 231199764130200. Its totient is φ = 231199764130198.

The previous prime is 231199764130147. The next prime is 231199764130259. The reversal of 231199764130199 is 991031467991132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231199764130199 - 2²⁴ = 231199747352983 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231199764130129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115599882065099 + 115599882065100.

It is an arithmetic number, because the mean of its divisors is an integer number (115599882065100).

Almost surely, 2^{231199764130199} is an apocalyptic number.

231199764130199 is a deficient number, since it is larger than the sum of its proper divisors (1).

231199764130199 is an equidigital number, since it uses as much as digits as its factorization.

231199764130199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19840464, while the sum is 65.

The spelling of 231199764130199 in words is "two hundred thirty-one trillion, one hundred ninety-nine billion, seven hundred sixty-four million, one hundred thirty thousand, one hundred ninety-nine".