131422430302321 has 8 divisors (see below), whose sum is σ = 132171094213704. Its totient is φ = 130675860556800.

The previous prime is 131422430302283. The next prime is 131422430302327. The reversal of 131422430302321 is 123203034224131.

It can be written as a sum of positive squares in 4 ways, for example, as 22627517271921 + 108794913030400 = 4756839^2 + 10430480^2 .

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 131422430302321 - 2⁹ = 131422430301809 is a prime.

It is a super-2 number, since 2×131422430302321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131422430302327) 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, 523415596 + ... + 523666621.

It is an arithmetic number, because the mean of its divisors is an integer number (16521386776713).

Almost surely, 2^{131422430302321} is an apocalyptic number.

It is an amenable number.

131422430302321 is a deficient number, since it is larger than the sum of its proper divisors (748663911383).

131422430302321 is a wasteful number, since it uses less digits than its factorization.

131422430302321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047082931.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 131422430302321 its reverse (123203034224131), we get a palindrome (254625464526452).

The spelling of 131422430302321 in words is "one hundred thirty-one trillion, four hundred twenty-two billion, four hundred thirty million, three hundred two thousand, three hundred twenty-one".