14143431 has 8 divisors (see below), whose sum is σ = 19296640. Its totient is φ = 9209592.

The previous prime is 14143427. The next prime is 14143453. The reversal of 14143431 is 13434141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14143431 - 2² = 14143427 is a prime.

It is a super-2 number, since 2×14143431² = 400073280903522, 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 = 14143398 and 14143407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14143631) 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 7 ways as a sum of consecutive naturals, for example, 54691 + ... + 54948.

It is an arithmetic number, because the mean of its divisors is an integer number (2412080).

Almost surely, 2^14143431 is an apocalyptic number.

14143431 is a deficient number, since it is larger than the sum of its proper divisors (5153209).

14143431 is a wasteful number, since it uses less digits than its factorization.

14143431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109685.

The product of its digits is 576, while the sum is 21.

The square root of 14143431 is about 3760.7753190001. The cubic root of 14143431 is about 241.8345008276.

Adding to 14143431 its reverse (13434141), we get a palindrome (27577572).

The spelling of 14143431 in words is "fourteen million, one hundred forty-three thousand, four hundred thirty-one".