14311231 has 4 divisors (see below), whose sum is σ = 15612264. Its totient is φ = 13010200.

The previous prime is 14311223. The next prime is 14311247. The reversal of 14311231 is 13211341.

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 14311231 - 2³ = 14311223 is a prime.

It is a super-2 number, since 2×14311231² = 409622665470722, 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 (14311261) 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, 650500 + ... + 650521.

It is an arithmetic number, because the mean of its divisors is an integer number (3903066).

Almost surely, 2^14311231 is an apocalyptic number.

14311231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14311231 is a deficient number, since it is larger than the sum of its proper divisors (1301033).

14311231 is a wasteful number, since it uses less digits than its factorization.

14311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301032.

The product of its digits is 72, while the sum is 16.

The square root of 14311231 is about 3783.0187681269. The cubic root of 14311231 is about 242.7871314584.

Adding to 14311231 its reverse (13211341), we get a palindrome (27522572).

It can be divided in two parts, 1431 and 1231, that added together give a palindrome (2662).

The spelling of 14311231 in words is "fourteen million, three hundred eleven thousand, two hundred thirty-one".