314234309 has 2 divisors, whose sum is σ = 314234310. Its totient is φ = 314234308.

The previous prime is 314234299. The next prime is 314234329. The reversal of 314234309 is 903432413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212284900 + 101949409 = 14570^2 + 10097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314234309 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314234329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157117154 + 157117155.

It is an arithmetic number, because the mean of its divisors is an integer number (157117155).

Almost surely, 2^314234309 is an apocalyptic number.

It is an amenable number.

314234309 is a deficient number, since it is larger than the sum of its proper divisors (1).

314234309 is an equidigital number, since it uses as much as digits as its factorization.

314234309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 314234309 is about 17726.6553246798. The cubic root of 314234309 is about 679.8574593098.

The spelling of 314234309 in words is "three hundred fourteen million, two hundred thirty-four thousand, three hundred nine".