131323443412013 has 2 divisors, whose sum is σ = 131323443412014. Its totient is φ = 131323443412012.

The previous prime is 131323443411991. The next prime is 131323443412027. The reversal of 131323443412013 is 310214344323131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87525810603529 + 43797632808484 = 9355523^2 + 6617978^2 .

It is a cyclic number.

It is not a de Polignac number, because 131323443412013 - 2⁸ = 131323443411757 is a prime.

It is a super-2 number, since 2×131323443412013² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131323443412043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65661721706006 + 65661721706007.

It is an arithmetic number, because the mean of its divisors is an integer number (65661721706007).

Almost surely, 2^{131323443412013} is an apocalyptic number.

It is an amenable number.

131323443412013 is a deficient number, since it is larger than the sum of its proper divisors (1).

131323443412013 is an equidigital number, since it uses as much as digits as its factorization.

131323443412013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 131323443412013 its reverse (310214344323131), we get a palindrome (441537787735144).

The spelling of 131323443412013 in words is "one hundred thirty-one trillion, three hundred twenty-three billion, four hundred forty-three million, four hundred twelve thousand, thirteen".