131324444317 has 4 divisors (see below), whose sum is σ = 143263030176. Its totient is φ = 119385858460.

The previous prime is 131324444291. The next prime is 131324444341. The reversal of 131324444317 is 713444423131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 131324444317 - 2¹⁹ = 131323920029 is a prime.

It is a super-3 number, since 3×131324444317³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131324444417) 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, 5969292913 + ... + 5969292934.

It is an arithmetic number, because the mean of its divisors is an integer number (35815757544).

Almost surely, 2^131324444317 is an apocalyptic number.

It is an amenable number.

131324444317 is a deficient number, since it is larger than the sum of its proper divisors (11938585859).

131324444317 is a wasteful number, since it uses less digits than its factorization.

131324444317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11938585858.

The product of its digits is 96768, while the sum is 37.

Adding to 131324444317 its reverse (713444423131), we get a palindrome (844768867448).

The spelling of 131324444317 in words is "one hundred thirty-one billion, three hundred twenty-four million, four hundred forty-four thousand, three hundred seventeen".