131141324013421 has 8 divisors (see below), whose sum is σ = 131342415823800. Its totient is φ = 130940386241280.

The previous prime is 131141324013419. The next prime is 131141324013439. The reversal of 131141324013421 is 124310423141131.

It can be written as a sum of positive squares in 4 ways, for example, as 79720076532100 + 51421247481321 = 8928610^2 + 7170861^2 .

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 131141324013421 - 2¹ = 131141324013419 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 (131141324023421) 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, 36805486 + ... + 40211023.

It is an arithmetic number, because the mean of its divisors is an integer number (16417801977975).

Almost surely, 2^{131141324013421} is an apocalyptic number.

It is an amenable number.

131141324013421 is a deficient number, since it is larger than the sum of its proper divisors (201091810379).

131141324013421 is a wasteful number, since it uses less digits than its factorization.

131141324013421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77019119.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 131141324013421 its reverse (124310423141131), we get a palindrome (255451747154552).

The spelling of 131141324013421 in words is "one hundred thirty-one trillion, one hundred forty-one billion, three hundred twenty-four million, thirteen thousand, four hundred twenty-one".