131312022131113 has 4 divisors (see below), whose sum is σ = 131312119968468. Its totient is φ = 131311924293760.

The previous prime is 131312022131077. The next prime is 131312022131183. The reversal of 131312022131113 is 311131220213131.

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 5136945189289 + 126175076941824 = 2266483^2 + 11232768^2 .

It is a cyclic number.

It is not a de Polignac number, because 131312022131113 - 2³⁷ = 131174583177641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131312022131183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46877056 + ... + 49599217.

It is an arithmetic number, because the mean of its divisors is an integer number (32828029992117).

Almost surely, 2^{131312022131113} is an apocalyptic number.

It is an amenable number.

131312022131113 is a deficient number, since it is larger than the sum of its proper divisors (97837355).

131312022131113 is an equidigital number, since it uses as much as digits as its factorization.

131312022131113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97837354.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 131312022131113 its reverse (311131220213131), we get a palindrome (442443242344244).

The spelling of 131312022131113 in words is "one hundred thirty-one trillion, three hundred twelve billion, twenty-two million, one hundred thirty-one thousand, one hundred thirteen".