14321431 has 4 divisors (see below), whose sum is σ = 14384200. Its totient is φ = 14258664.

The previous prime is 14321399. The next prime is 14321443. The reversal of 14321431 is 13412341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13412341 = 109 ⋅123049.

It is a cyclic number.

It is not a de Polignac number, because 14321431 - 2⁵ = 14321399 is a prime.

It is a super-2 number, since 2×14321431² = 410206771775522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14321399 and 14321408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14321471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31041 + ... + 31498.

It is an arithmetic number, because the mean of its divisors is an integer number (3596050).

Almost surely, 2^14321431 is an apocalyptic number.

14321431 is a deficient number, since it is larger than the sum of its proper divisors (62769).

14321431 is an equidigital number, since it uses as much as digits as its factorization.

14321431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62768.

The product of its digits is 288, while the sum is 19.

The square root of 14321431 is about 3784.3666577117. The cubic root of 14321431 is about 242.8447980708.

Adding to 14321431 its reverse (13412341), we get a palindrome (27733772).

The spelling of 14321431 in words is "fourteen million, three hundred twenty-one thousand, four hundred thirty-one".