14312431 has 4 divisors (see below), whose sum is σ = 16357072. Its totient is φ = 12267792.

The previous prime is 14312429. The next prime is 14312461. The reversal of 14312431 is 13421341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13421341 = 1459 ⋅9199.

It is a cyclic number.

It is not a de Polignac number, because 14312431 - 2¹ = 14312429 is a prime.

It is a super-2 number, since 2×14312431² = 409691362259522, 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 = 14312399 and 14312408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14312411) 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, 1022310 + ... + 1022323.

It is an arithmetic number, because the mean of its divisors is an integer number (4089268).

Almost surely, 2^14312431 is an apocalyptic number.

14312431 is a deficient number, since it is larger than the sum of its proper divisors (2044641).

14312431 is an equidigital number, since it uses as much as digits as its factorization.

14312431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044640.

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

The square root of 14312431 is about 3783.1773682977. The cubic root of 14312431 is about 242.7939171876.

Adding to 14312431 its reverse (13421341), we get a palindrome (27733772).

It can be divided in two parts, 14 and 312431, that added together give a triangular number (312445 = T₇₉₀).

The spelling of 14312431 in words is "fourteen million, three hundred twelve thousand, four hundred thirty-one".