14381431 has 4 divisors (see below), whose sum is σ = 14398000. Its totient is φ = 14364864.

The previous prime is 14381413. The next prime is 14381441. The reversal of 14381431 is 13418341.

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 14381431 - 2⁵ = 14381399 is a prime.

It is a super-2 number, since 2×14381431² = 413651115215522, 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 = 14381396 and 14381405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14381401) 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, 6906 + ... + 8743.

It is an arithmetic number, because the mean of its divisors is an integer number (3599500).

Almost surely, 2^14381431 is an apocalyptic number.

14381431 is a deficient number, since it is larger than the sum of its proper divisors (16569).

14381431 is an equidigital number, since it uses as much as digits as its factorization.

14381431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16568.

The product of its digits is 1152, while the sum is 25.

The square root of 14381431 is about 3792.2857223580. The cubic root of 14381431 is about 243.1834603880.

Adding to 14381431 its reverse (13418341), we get a palindrome (27799772).

The spelling of 14381431 in words is "fourteen million, three hundred eighty-one thousand, four hundred thirty-one".