131201130323009 has 2 divisors, whose sum is σ = 131201130323010. Its totient is φ = 131201130323008.

The previous prime is 131201130322931. The next prime is 131201130323027. The reversal of 131201130323009 is 900323031102131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67462814280625 + 63738316042384 = 8213575^2 + 7983628^2 .

It is a cyclic number.

It is not a de Polignac number, because 131201130323009 - 2²⁰ = 131201129274433 is a prime.

It is a super-3 number, since 3×131201130323009³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (131201130323059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600565161504 + 65600565161505.

It is an arithmetic number, because the mean of its divisors is an integer number (65600565161505).

Almost surely, 2^{131201130323009} is an apocalyptic number.

It is an amenable number.

131201130323009 is a deficient number, since it is larger than the sum of its proper divisors (1).

131201130323009 is an equidigital number, since it uses as much as digits as its factorization.

131201130323009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 131201130323009 in words is "one hundred thirty-one trillion, two hundred one billion, one hundred thirty million, three hundred twenty-three thousand, nine".