131142422231421 has 8 divisors (see below), whose sum is σ = 179121357194304. Its totient is φ = 85295884378080.

The previous prime is 131142422231377. The next prime is 131142422231423. The reversal of 131142422231421 is 124132224241131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131142422231421 - 2²⁶ = 131142355122557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131142422231423) 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, 533099277241 + ... + 533099277486.

It is an arithmetic number, because the mean of its divisors is an integer number (22390169649288).

Almost surely, 2^{131142422231421} is an apocalyptic number.

It is an amenable number.

131142422231421 is a deficient number, since it is larger than the sum of its proper divisors (47978934962883).

131142422231421 is a wasteful number, since it uses less digits than its factorization.

131142422231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066198554771.

The product of its digits is 18432, while the sum is 33.

Adding to 131142422231421 its reverse (124132224241131), we get a palindrome (255274646472552).

The spelling of 131142422231421 in words is "one hundred thirty-one trillion, one hundred forty-two billion, four hundred twenty-two million, two hundred thirty-one thousand, four hundred twenty-one".