14213431 has 2 divisors, whose sum is σ = 14213432. Its totient is φ = 14213430.

The previous prime is 14213417. The next prime is 14213449. The reversal of 14213431 is 13431241.

14213431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14213431 - 2⁵ = 14213399 is a prime.

It is a super-2 number, since 2×14213431² = 404043241583522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14213399 and 14213408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14213461) 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 as a sum of consecutive naturals, namely, 7106715 + 7106716.

It is an arithmetic number, because the mean of its divisors is an integer number (7106716).

Almost surely, 2^14213431 is an apocalyptic number.

14213431 is a deficient number, since it is larger than the sum of its proper divisors (1).

14213431 is an equidigital number, since it uses as much as digits as its factorization.

14213431 is an odious number, because the sum of its binary digits is odd.

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

The square root of 14213431 is about 3770.0704237454. The cubic root of 14213431 is about 242.2328144498.

Adding to 14213431 its reverse (13431241), we get a palindrome (27644672).

The spelling of 14213431 in words is "fourteen million, two hundred thirteen thousand, four hundred thirty-one".