132431110113421 has 4 divisors (see below), whose sum is σ = 151349840129632. Its totient is φ = 113512380097212.

The previous prime is 132431110113383. The next prime is 132431110113443. The reversal of 132431110113421 is 124311011134231.

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 132431110113421 - 2²³ = 132431101724813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132431110113421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132431110113451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9459365008095 + ... + 9459365008108.

It is an arithmetic number, because the mean of its divisors is an integer number (37837460032408).

Almost surely, 2^{132431110113421} is an apocalyptic number.

It is an amenable number.

132431110113421 is a deficient number, since it is larger than the sum of its proper divisors (18918730016211).

132431110113421 is an equidigital number, since it uses as much as digits as its factorization.

132431110113421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18918730016210.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 132431110113421 its reverse (124311011134231), we get a palindrome (256742121247652).

The spelling of 132431110113421 in words is "one hundred thirty-two trillion, four hundred thirty-one billion, one hundred ten million, one hundred thirteen thousand, four hundred twenty-one".