14311309 has 2 divisors, whose sum is σ = 14311310. Its totient is φ = 14311308.

The previous prime is 14311291. The next prime is 14311333. The reversal of 14311309 is 90311341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14273284 + 38025 = 3778^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 14311309 - 2⁵ = 14311277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14311309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14311709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7155654 + 7155655.

It is an arithmetic number, because the mean of its divisors is an integer number (7155655).

Almost surely, 2^14311309 is an apocalyptic number.

It is an amenable number.

14311309 is a deficient number, since it is larger than the sum of its proper divisors (1).

14311309 is an equidigital number, since it uses as much as digits as its factorization.

14311309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 14311309 is about 3783.0290773400. The cubic root of 14311309 is about 242.7875725423.

The spelling of 14311309 in words is "fourteen million, three hundred eleven thousand, three hundred nine".