14020431 has 4 divisors (see below), whose sum is σ = 18693912. Its totient is φ = 9346952.

The previous prime is 14020417. The next prime is 14020459. The reversal of 14020431 is 13402041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13402041 = 3 ⋅4467347.

It is a cyclic number.

It is not a de Polignac number, because 14020431 - 2⁵ = 14020399 is a prime.

It is a super-2 number, since 2×14020431² = 393144970851522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14020431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14020411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2336736 + ... + 2336741.

It is an arithmetic number, because the mean of its divisors is an integer number (4673478).

Almost surely, 2^14020431 is an apocalyptic number.

14020431 is a deficient number, since it is larger than the sum of its proper divisors (4673481).

14020431 is an equidigital number, since it uses as much as digits as its factorization.

14020431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673480.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 14020431 is about 3744.3865986300. The cubic root of 14020431 is about 241.1314113754.

Adding to 14020431 its reverse (13402041), we get a palindrome (27422472).

The spelling of 14020431 in words is "fourteen million, twenty thousand, four hundred thirty-one".