131163901087 has 2 divisors, whose sum is σ = 131163901088. Its totient is φ = 131163901086.

The previous prime is 131163901079. The next prime is 131163901109. The reversal of 131163901087 is 780109361131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131163901087 - 2³ = 131163901079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131163901007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65581950543 + 65581950544.

It is an arithmetic number, because the mean of its divisors is an integer number (65581950544).

Almost surely, 2^131163901087 is an apocalyptic number.

131163901087 is a deficient number, since it is larger than the sum of its proper divisors (1).

131163901087 is an equidigital number, since it uses as much as digits as its factorization.

131163901087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 131163901087 in words is "one hundred thirty-one billion, one hundred sixty-three million, nine hundred one thousand, eighty-seven".