14431113531231 has 8 divisors (see below), whose sum is σ = 19241503079040. Its totient is φ = 9620733168792.

The previous prime is 14431113531209. The next prime is 14431113531257. The reversal of 14431113531231 is 13213531113441.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-14431113531231 is a prime.

It is a super-2 number, since 2×14431113531231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14431113531192 and 14431113531201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14431113541231) 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, 3359796 + ... + 6336438.

It is an arithmetic number, because the mean of its divisors is an integer number (2405187884880).

Almost surely, 2^{14431113531231} is an apocalyptic number.

14431113531231 is a deficient number, since it is larger than the sum of its proper divisors (4810389547809).

14431113531231 is a wasteful number, since it uses less digits than its factorization.

14431113531231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592685.

The product of its digits is 12960, while the sum is 33.

Adding to 14431113531231 its reverse (13213531113441), we get a palindrome (27644644644672).

The spelling of 14431113531231 in words is "fourteen trillion, four hundred thirty-one billion, one hundred thirteen million, five hundred thirty-one thousand, two hundred thirty-one".