131344021442321 has 8 divisors (see below), whose sum is σ = 137054759481600. Its totient is φ = 125633294104032.

The previous prime is 131344021442299. The next prime is 131344021442327. The reversal of 131344021442321 is 123244120443131.

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 131344021442321 - 2³⁸ = 131069143535377 is a prime.

It is a super-2 number, since 2×131344021442321² (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 (131344021442327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31931405 + ... + 35809253.

It is an arithmetic number, because the mean of its divisors is an integer number (17131844935200).

Almost surely, 2^{131344021442321} is an apocalyptic number.

It is an amenable number.

131344021442321 is a deficient number, since it is larger than the sum of its proper divisors (5710738039279).

131344021442321 is a wasteful number, since it uses less digits than its factorization.

131344021442321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350495.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 131344021442321 its reverse (123244120443131), we get a palindrome (254588141885452).

The spelling of 131344021442321 in words is "one hundred thirty-one trillion, three hundred forty-four billion, twenty-one million, four hundred forty-two thousand, three hundred twenty-one".