131231143234313 has 2 divisors, whose sum is σ = 131231143234314. Its totient is φ = 131231143234312.

The previous prime is 131231143234283. The next prime is 131231143234361. The reversal of 131231143234313 is 313432341132131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124740485137984 + 6490658096329 = 11168728^2 + 2547677^2 .

It is a cyclic number.

It is not a de Polignac number, because 131231143234313 - 2¹⁸ = 131231142972169 is a prime.

It is a super-2 number, since 2×131231143234313² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131231143264313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65615571617156 + 65615571617157.

It is an arithmetic number, because the mean of its divisors is an integer number (65615571617157).

Almost surely, 2^{131231143234313} is an apocalyptic number.

It is an amenable number.

131231143234313 is a deficient number, since it is larger than the sum of its proper divisors (1).

131231143234313 is an equidigital number, since it uses as much as digits as its factorization.

131231143234313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 35.

Adding to 131231143234313 its reverse (313432341132131), we get a palindrome (444663484366444).

The spelling of 131231143234313 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, one hundred forty-three million, two hundred thirty-four thousand, three hundred thirteen".