131508397330867 has 2 divisors, whose sum is σ = 131508397330868. Its totient is φ = 131508397330866.

The previous prime is 131508397330831. The next prime is 131508397330883. The reversal of 131508397330867 is 768033793805131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131508397330867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131508397330799 and 131508397330808.

It is not a weakly prime, because it can be changed into another prime (131508397333867) 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, 65754198665433 + 65754198665434.

It is an arithmetic number, because the mean of its divisors is an integer number (65754198665434).

Almost surely, 2^{131508397330867} is an apocalyptic number.

131508397330867 is a deficient number, since it is larger than the sum of its proper divisors (1).

131508397330867 is an equidigital number, since it uses as much as digits as its factorization.

131508397330867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 131508397330867 in words is "one hundred thirty-one trillion, five hundred eight billion, three hundred ninety-seven million, three hundred thirty thousand, eight hundred sixty-seven".