131032321313 has 2 divisors, whose sum is σ = 131032321314. Its totient is φ = 131032321312.

The previous prime is 131032321291. The next prime is 131032321349. The reversal of 131032321313 is 313123230131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118395863569 + 12636457744 = 344087^2 + 112412^2 .

It is a cyclic number.

It is not a de Polignac number, because 131032321313 - 2¹⁴ = 131032304929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (131032321213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65516160656 + 65516160657.

It is an arithmetic number, because the mean of its divisors is an integer number (65516160657).

Almost surely, 2^131032321313 is an apocalyptic number.

It is an amenable number.

131032321313 is a deficient number, since it is larger than the sum of its proper divisors (1).

131032321313 is an equidigital number, since it uses as much as digits as its factorization.

131032321313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 131032321313 its reverse (313123230131), we get a palindrome (444155551444).

The spelling of 131032321313 in words is "one hundred thirty-one billion, thirty-two million, three hundred twenty-one thousand, three hundred thirteen".