131002000130609 has 2 divisors, whose sum is σ = 131002000130610. Its totient is φ = 131002000130608.

The previous prime is 131002000130587. The next prime is 131002000130627. The reversal of 131002000130609 is 906031000200131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87307626261025 + 43694373869584 = 9343855^2 + 6610172^2 .

It is a cyclic number.

It is not a de Polignac number, because 131002000130609 - 2¹⁶ = 131002000065073 is a prime.

It is not a weakly prime, because it can be changed into another prime (131002000180609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65501000065304 + 65501000065305.

It is an arithmetic number, because the mean of its divisors is an integer number (65501000065305).

Almost surely, 2^{131002000130609} is an apocalyptic number.

It is an amenable number.

131002000130609 is a deficient number, since it is larger than the sum of its proper divisors (1).

131002000130609 is an equidigital number, since it uses as much as digits as its factorization.

131002000130609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 131002000130609 in words is "one hundred thirty-one trillion, two billion, one hundred thirty thousand, six hundred nine".