131043403212313 has 2 divisors, whose sum is σ = 131043403212314. Its totient is φ = 131043403212312.

The previous prime is 131043403212311. The next prime is 131043403212329. The reversal of 131043403212313 is 313212304340131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124757015403024 + 6286387809289 = 11169468^2 + 2507267^2 .

It is a cyclic number.

It is not a de Polignac number, because 131043403212313 - 2¹ = 131043403212311 is a prime.

Together with 131043403212311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (131043403212311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65521701606156 + 65521701606157.

It is an arithmetic number, because the mean of its divisors is an integer number (65521701606157).

Almost surely, 2^{131043403212313} is an apocalyptic number.

It is an amenable number.

131043403212313 is a deficient number, since it is larger than the sum of its proper divisors (1).

131043403212313 is an equidigital number, since it uses as much as digits as its factorization.

131043403212313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 131043403212313 its reverse (313212304340131), we get a palindrome (444255707552444).

The spelling of 131043403212313 in words is "one hundred thirty-one trillion, forty-three billion, four hundred three million, two hundred twelve thousand, three hundred thirteen".