14243505304431 has 8 divisors (see below), whose sum is σ = 20452212744880. Its totient is φ = 8765234033472.

The previous prime is 14243505304409. The next prime is 14243505304433. The reversal of 14243505304431 is 13440350534241.

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

It is not a de Polignac number, because 14243505304431 - 2³¹ = 14241357820783 is a prime.

It is a super-2 number, since 2×14243505304431² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 365218084729 = 14243505304431 / (1 + 4 + 2 + 4 + 3 + 5 + 0 + 5 + 3 + 0 + 4 + 4 + 3 + 1).

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 14243505304431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14243505304433) 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, 182609042326 + ... + 182609042403.

It is an arithmetic number, because the mean of its divisors is an integer number (2556526593110).

Almost surely, 2^{14243505304431} is an apocalyptic number.

14243505304431 is a deficient number, since it is larger than the sum of its proper divisors (6208707440449).

14243505304431 is a wasteful number, since it uses less digits than its factorization.

14243505304431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365218084745.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 14243505304431 its reverse (13440350534241), we get a palindrome (27683855838672).

The spelling of 14243505304431 in words is "fourteen trillion, two hundred forty-three billion, five hundred five million, three hundred four thousand, four hundred thirty-one".