131202322313 has 4 divisors (see below), whose sum is σ = 131224898628. Its totient is φ = 131179746000.

The previous prime is 131202322301. The next prime is 131202322337. The reversal of 131202322313 is 313223202131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35429403529 + 95772918784 = 188227^2 + 309472^2 .

It is a cyclic number.

It is not a de Polignac number, because 131202322313 - 2⁶ = 131202322249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131202322213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11279438 + ... + 11291063.

It is an arithmetic number, because the mean of its divisors is an integer number (32806224657).

Almost surely, 2^131202322313 is an apocalyptic number.

It is an amenable number.

131202322313 is a deficient number, since it is larger than the sum of its proper divisors (22576315).

131202322313 is an equidigital number, since it uses as much as digits as its factorization.

131202322313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22576314.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 131202322313 its reverse (313223202131), we get a palindrome (444425524444).

The spelling of 131202322313 in words is "one hundred thirty-one billion, two hundred two million, three hundred twenty-two thousand, three hundred thirteen".