131000042334321 has 24 divisors (see below), whose sum is σ = 191134351012800. Its totient is φ = 86451534108576.

The previous prime is 131000042334269. The next prime is 131000042334379. The reversal of 131000042334321 is 123433240000131.

It is a happy number.

131000042334321 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 0 + 0 + 0 + 4 + 2 + 334 + 321 = 666.

It is not a de Polignac number, because 131000042334321 - 2³⁰ = 130998968592497 is a prime.

It is a super-2 number, since 2×131000042334321² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131000042334391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25356991 + ... + 30082836.

It is an arithmetic number, because the mean of its divisors is an integer number (7963931292200).

Almost surely, 2^{131000042334321} is an apocalyptic number.

It is an amenable number.

131000042334321 is a deficient number, since it is larger than the sum of its proper divisors (60134308678479).

131000042334321 is a wasteful number, since it uses less digits than its factorization.

131000042334321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55442485 (or 55442482 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 131000042334321 its reverse (123433240000131), we get a palindrome (254433282334452).

The spelling of 131000042334321 in words is "one hundred thirty-one trillion, forty-two million, three hundred thirty-four thousand, three hundred twenty-one".