14320440331 has 4 divisors (see below), whose sum is σ = 15162819192. Its totient is φ = 13478061472.

The previous prime is 14320440319. The next prime is 14320440347. The reversal of 14320440331 is 13304402341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14320440331 - 2¹⁷ = 14320309259 is a prime.

It is a super-2 number, since 2×14320440331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14320440296 and 14320440305.

It is not an unprimeable number, because it can be changed into a prime (14320440131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421189405 + ... + 421189438.

It is an arithmetic number, because the mean of its divisors is an integer number (3790704798).

Almost surely, 2^14320440331 is an apocalyptic number.

14320440331 is a deficient number, since it is larger than the sum of its proper divisors (842378861).

14320440331 is an equidigital number, since it uses as much as digits as its factorization.

14320440331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842378860.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 14320440331 its reverse (13304402341), we get a palindrome (27624842672).

The spelling of 14320440331 in words is "fourteen billion, three hundred twenty million, four hundred forty thousand, three hundred thirty-one".