131023113313 has 2 divisors, whose sum is σ = 131023113314. Its totient is φ = 131023113312.

The previous prime is 131023113301. The next prime is 131023113349. The reversal of 131023113313 is 313311320131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108038430864 + 22984682449 = 328692^2 + 151607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131023113313 is a prime.

It is not a weakly prime, because it can be changed into another prime (131023113383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65511556656 + 65511556657.

It is an arithmetic number, because the mean of its divisors is an integer number (65511556657).

Almost surely, 2^131023113313 is an apocalyptic number.

It is an amenable number.

131023113313 is a deficient number, since it is larger than the sum of its proper divisors (1).

131023113313 is an equidigital number, since it uses as much as digits as its factorization.

131023113313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 131023113313 its reverse (313311320131), we get a palindrome (444334433444).

The spelling of 131023113313 in words is "one hundred thirty-one billion, twenty-three million, one hundred thirteen thousand, three hundred thirteen".