14281931 has 2 divisors, whose sum is σ = 14281932. Its totient is φ = 14281930.

The previous prime is 14281913. The next prime is 14281933. The reversal of 14281931 is 13918241.

Together with previous prime (14281913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14281931 is a prime.

It is a super-2 number, since 2×14281931² = 407947106177522, which contains 22 as substring.

Together with 14281933, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 14281894 and 14281903.

It is not a weakly prime, because it can be changed into another prime (14281933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7140965 + 7140966.

It is an arithmetic number, because the mean of its divisors is an integer number (7140966).

Almost surely, 2^14281931 is an apocalyptic number.

14281931 is a deficient number, since it is larger than the sum of its proper divisors (1).

14281931 is an equidigital number, since it uses as much as digits as its factorization.

14281931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 14281931 is about 3779.1442152953. The cubic root of 14281931 is about 242.6213287359.

The spelling of 14281931 in words is "fourteen million, two hundred eighty-one thousand, nine hundred thirty-one".