131303122019791 has 2 divisors, whose sum is σ = 131303122019792. Its totient is φ = 131303122019790.

The previous prime is 131303122019753. The next prime is 131303122019801. The reversal of 131303122019791 is 197910221303131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131303122019791 - 2²⁵ = 131303088465359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131303122019701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651561009895 + 65651561009896.

It is an arithmetic number, because the mean of its divisors is an integer number (65651561009896).

Almost surely, 2^{131303122019791} is an apocalyptic number.

131303122019791 is a deficient number, since it is larger than the sum of its proper divisors (1).

131303122019791 is an equidigital number, since it uses as much as digits as its factorization.

131303122019791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 43.

The spelling of 131303122019791 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred twenty-two million, nineteen thousand, seven hundred ninety-one".