14243431 has 4 divisors (see below), whose sum is σ = 14355712. Its totient is φ = 14131152.

The previous prime is 14243413. The next prime is 14243447. The reversal of 14243431 is 13434241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13434241 = 59 ⋅227699.

It is a cyclic number.

It is not a de Polignac number, because 14243431 - 2¹⁵ = 14210663 is a prime.

It is a super-2 number, since 2×14243431² = 405750653303522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14243401) 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, 55950 + ... + 56203.

It is an arithmetic number, because the mean of its divisors is an integer number (3588928).

Almost surely, 2^14243431 is an apocalyptic number.

14243431 is a deficient number, since it is larger than the sum of its proper divisors (112281).

14243431 is a wasteful number, since it uses less digits than its factorization.

14243431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112280.

The product of its digits is 1152, while the sum is 22.

The square root of 14243431 is about 3774.0470320334. The cubic root of 14243431 is about 242.4031199789.

Adding to 14243431 its reverse (13434241), we get a palindrome (27677672).

The spelling of 14243431 in words is "fourteen million, two hundred forty-three thousand, four hundred thirty-one".