14307931 has 16 divisors (see below), whose sum is σ = 17400960. Its totient is φ = 11594880.

The previous prime is 14307919. The next prime is 14307959. The reversal of 14307931 is 13970341.

It is not a de Polignac number, because 14307931 - 2⁵ = 14307899 is a prime.

It is a super-2 number, since 2×14307931² = 409433779001522, 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 14307931.

It is not an unprimeable number, because it can be changed into a prime (14307971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1540 + ... + 5566.

It is an arithmetic number, because the mean of its divisors is an integer number (1087560).

Almost surely, 2^14307931 is an apocalyptic number.

14307931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14307931 is a deficient number, since it is larger than the sum of its proper divisors (3093029).

14307931 is a wasteful number, since it uses less digits than its factorization.

14307931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 14307931 is about 3782.5825833681. The cubic root of 14307931 is about 242.7684687469.

The spelling of 14307931 in words is "fourteen million, three hundred seven thousand, nine hundred thirty-one".