131324442617 has 8 divisors (see below), whose sum is σ = 132503159880. Its totient is φ = 130146016000.

The previous prime is 131324442577. The next prime is 131324442637. The reversal of 131324442617 is 716244423131.

It can be written as a sum of positive squares in 4 ways, for example, as 1043871481 + 130280571136 = 32309^2 + 360944^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131324442617 - 2¹⁰ = 131324441593 is a prime.

It is a super-2 number, since 2×131324442617² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131324442637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892259 + ... + 1028967.

It is an arithmetic number, because the mean of its divisors is an integer number (16562894985).

Almost surely, 2^131324442617 is an apocalyptic number.

It is an amenable number.

131324442617 is a deficient number, since it is larger than the sum of its proper divisors (1178717263).

131324442617 is a wasteful number, since it uses less digits than its factorization.

131324442617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145323.

The product of its digits is 96768, while the sum is 38.

Adding to 131324442617 its reverse (716244423131), we get a palindrome (847568865748).

The spelling of 131324442617 in words is "one hundred thirty-one billion, three hundred twenty-four million, four hundred forty-two thousand, six hundred seventeen".