131413330023517 has 2 divisors, whose sum is σ = 131413330023518. Its totient is φ = 131413330023516.

The previous prime is 131413330023389. The next prime is 131413330023539. The reversal of 131413330023517 is 715320033314131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93583683385956 + 37829646637561 = 9673866^2 + 6150581^2 .

It is a cyclic number.

It is not a de Polignac number, because 131413330023517 - 2⁷ = 131413330023389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131413330020517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65706665011758 + 65706665011759.

It is an arithmetic number, because the mean of its divisors is an integer number (65706665011759).

Almost surely, 2^{131413330023517} is an apocalyptic number.

It is an amenable number.

131413330023517 is a deficient number, since it is larger than the sum of its proper divisors (1).

131413330023517 is an equidigital number, since it uses as much as digits as its factorization.

131413330023517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 37.

Adding to 131413330023517 its reverse (715320033314131), we get a palindrome (846733363337648).

The spelling of 131413330023517 in words is "one hundred thirty-one trillion, four hundred thirteen billion, three hundred thirty million, twenty-three thousand, five hundred seventeen".