131700661657699 has 2 divisors, whose sum is σ = 131700661657700. Its totient is φ = 131700661657698.

The previous prime is 131700661657619. The next prime is 131700661657757. The reversal of 131700661657699 is 996756166007131.

It is a strong prime.

It is an emirp because it is prime and its reverse (996756166007131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131700661657699 - 2⁴³ = 122904568635491 is a prime.

It is not a weakly prime, because it can be changed into another prime (131700661657619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65850330828849 + 65850330828850.

It is an arithmetic number, because the mean of its divisors is an integer number (65850330828850).

Almost surely, 2^{131700661657699} is an apocalyptic number.

131700661657699 is a deficient number, since it is larger than the sum of its proper divisors (1).

131700661657699 is an equidigital number, since it uses as much as digits as its factorization.

131700661657699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77157360, while the sum is 67.

The spelling of 131700661657699 in words is "one hundred thirty-one trillion, seven hundred billion, six hundred sixty-one million, six hundred fifty-seven thousand, six hundred ninety-nine".