131323003013 has 2 divisors, whose sum is σ = 131323003014. Its totient is φ = 131323003012.

The previous prime is 131323003003. The next prime is 131323003039. The reversal of 131323003013 is 310300323131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97930191844 + 33392811169 = 312938^2 + 182737^2 .

It is a cyclic number.

It is not a de Polignac number, because 131323003013 - 2⁶ = 131323002949 is a prime.

It is a super-2 number, since 2×131323003013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131323003003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65661501506 + 65661501507.

It is an arithmetic number, because the mean of its divisors is an integer number (65661501507).

Almost surely, 2^131323003013 is an apocalyptic number.

It is an amenable number.

131323003013 is a deficient number, since it is larger than the sum of its proper divisors (1).

131323003013 is an equidigital number, since it uses as much as digits as its factorization.

131323003013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 131323003013 its reverse (310300323131), we get a palindrome (441623326144).

The spelling of 131323003013 in words is "one hundred thirty-one billion, three hundred twenty-three million, three thousand, thirteen".