131141324341421 has 4 divisors (see below), whose sum is σ = 131142054223200. Its totient is φ = 131140594459644.

The previous prime is 131141324341411. The next prime is 131141324341451. The reversal of 131141324341421 is 124143423141131.

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 131141324341421 - 2³⁰ = 131140250599597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131141324341411) 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, 364671311 + ... + 365030748.

It is an arithmetic number, because the mean of its divisors is an integer number (32785513555800).

Almost surely, 2^{131141324341421} is an apocalyptic number.

It is an amenable number.

131141324341421 is a deficient number, since it is larger than the sum of its proper divisors (729881779).

131141324341421 is an equidigital number, since it uses as much as digits as its factorization.

131141324341421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729881778.

The product of its digits is 27648, while the sum is 35.

Adding to 131141324341421 its reverse (124143423141131), we get a palindrome (255284747482552).

The spelling of 131141324341421 in words is "one hundred thirty-one trillion, one hundred forty-one billion, three hundred twenty-four million, three hundred forty-one thousand, four hundred twenty-one".