131303142134413 has 4 divisors (see below), whose sum is σ = 133780559910588. Its totient is φ = 128825724358240.

The previous prime is 131303142134401. The next prime is 131303142134419. The reversal of 131303142134413 is 314431241303131.

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 105137686946889 + 26165455187524 = 10253667^2 + 5115218^2 .

It is a cyclic number.

It is not a de Polignac number, because 131303142134413 - 2³³ = 131294552199821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131303142134419) 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, 1238708888008 + ... + 1238708888113.

It is an arithmetic number, because the mean of its divisors is an integer number (33445139977647).

Almost surely, 2^{131303142134413} is an apocalyptic number.

It is an amenable number.

131303142134413 is a deficient number, since it is larger than the sum of its proper divisors (2477417776175).

131303142134413 is an equidigital number, since it uses as much as digits as its factorization.

131303142134413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477417776174.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 131303142134413 its reverse (314431241303131), we get a palindrome (445734383437544).

The spelling of 131303142134413 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred forty-two million, one hundred thirty-four thousand, four hundred thirteen".