131298624091 has 2 divisors, whose sum is σ = 131298624092. Its totient is φ = 131298624090.

The previous prime is 131298623987. The next prime is 131298624139. The reversal of 131298624091 is 190426892131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131298624091 - 2¹⁵ = 131298591323 is a prime.

It is not a weakly prime, because it can be changed into another prime (131298624491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65649312045 + 65649312046.

It is an arithmetic number, because the mean of its divisors is an integer number (65649312046).

Almost surely, 2^131298624091 is an apocalyptic number.

131298624091 is a deficient number, since it is larger than the sum of its proper divisors (1).

131298624091 is an equidigital number, since it uses as much as digits as its factorization.

131298624091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 131298624091 in words is "one hundred thirty-one billion, two hundred ninety-eight million, six hundred twenty-four thousand, ninety-one".