131432442413421 has 16 divisors (see below), whose sum is σ = 177519603841344. Its totient is φ = 86489367222144.

The previous prime is 131432442413387. The next prime is 131432442413429. The reversal of 131432442413421 is 124314244234131.

It is not a de Polignac number, because 131432442413421 - 2⁶ = 131432442413357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131432442413421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131432442413429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738984840 + ... + 739162673.

It is an arithmetic number, because the mean of its divisors is an integer number (11094975240084).

Almost surely, 2^{131432442413421} is an apocalyptic number.

It is an amenable number.

131432442413421 is a deficient number, since it is larger than the sum of its proper divisors (46087161427923).

131432442413421 is a wasteful number, since it uses less digits than its factorization.

131432442413421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478147900.

The product of its digits is 221184, while the sum is 39.

Adding to 131432442413421 its reverse (124314244234131), we get a palindrome (255746686647552).

The spelling of 131432442413421 in words is "one hundred thirty-one trillion, four hundred thirty-two billion, four hundred forty-two million, four hundred thirteen thousand, four hundred twenty-one".