14111431 has 4 divisors (see below), whose sum is σ = 14126992. Its totient is φ = 14095872.

The previous prime is 14111423. The next prime is 14111441. The reversal of 14111431 is 13411141.

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 14111431 - 2³ = 14111423 is a prime.

It is a super-2 number, since 2×14111431² = 398264969735522, 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 (14111401) 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, 6330 + ... + 8263.

It is an arithmetic number, because the mean of its divisors is an integer number (3531748).

Almost surely, 2^14111431 is an apocalyptic number.

14111431 is a deficient number, since it is larger than the sum of its proper divisors (15561).

14111431 is an equidigital number, since it uses as much as digits as its factorization.

14111431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15560.

The product of its digits is 48, while the sum is 16.

The square root of 14111431 is about 3756.5184679434. The cubic root of 14111431 is about 241.6519768056.

Adding to 14111431 its reverse (13411141), we get a palindrome (27522572).

The spelling of 14111431 in words is "fourteen million, one hundred eleven thousand, four hundred thirty-one".