131301320243087 has 2 divisors, whose sum is σ = 131301320243088. Its totient is φ = 131301320243086.

The previous prime is 131301320243083. The next prime is 131301320243213. The reversal of 131301320243087 is 780342023103131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131301320243087 - 2² = 131301320243083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131301320243087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131301320243083) 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, 65650660121543 + 65650660121544.

It is an arithmetic number, because the mean of its divisors is an integer number (65650660121544).

Almost surely, 2^{131301320243087} is an apocalyptic number.

131301320243087 is a deficient number, since it is larger than the sum of its proper divisors (1).

131301320243087 is an equidigital number, since it uses as much as digits as its factorization.

131301320243087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 131301320243087 in words is "one hundred thirty-one trillion, three hundred one billion, three hundred twenty million, two hundred forty-three thousand, eighty-seven".