131410522655421 has 4 divisors (see below), whose sum is σ = 175214030207232. Its totient is φ = 87607015103612.

The previous prime is 131410522655387. The next prime is 131410522655443. The reversal of 131410522655421 is 124556225014131.

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 a cyclic number.

It is not a de Polignac number, because 131410522655421 - 2³⁸ = 131135644748477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131410522655491) 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, 21901753775901 + ... + 21901753775906.

It is an arithmetic number, because the mean of its divisors is an integer number (43803507551808).

Almost surely, 2^{131410522655421} is an apocalyptic number.

It is an amenable number.

131410522655421 is a deficient number, since it is larger than the sum of its proper divisors (43803507551811).

131410522655421 is an equidigital number, since it uses as much as digits as its factorization.

131410522655421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43803507551810.

The product of its (nonzero) digits is 288000, while the sum is 42.

Adding to 131410522655421 its reverse (124556225014131), we get a palindrome (255966747669552).

The spelling of 131410522655421 in words is "one hundred thirty-one trillion, four hundred ten billion, five hundred twenty-two million, six hundred fifty-five thousand, four hundred twenty-one".