131330031199979 has 2 divisors, whose sum is σ = 131330031199980. Its totient is φ = 131330031199978.

The previous prime is 131330031199957. The next prime is 131330031200009. The reversal of 131330031199979 is 979991130033131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131330031199979 - 2³² = 131325736232683 is a prime.

It is not a weakly prime, because it can be changed into another prime (131330031199909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65665015599989 + 65665015599990.

It is an arithmetic number, because the mean of its divisors is an integer number (65665015599990).

Almost surely, 2^{131330031199979} is an apocalyptic number.

131330031199979 is a deficient number, since it is larger than the sum of its proper divisors (1).

131330031199979 is an equidigital number, since it uses as much as digits as its factorization.

131330031199979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3720087, while the sum is 59.

The spelling of 131330031199979 in words is "one hundred thirty-one trillion, three hundred thirty billion, thirty-one million, one hundred ninety-nine thousand, nine hundred seventy-nine".