314242109 has 2 divisors, whose sum is σ = 314242110. Its totient is φ = 314242108.

The previous prime is 314242099. The next prime is 314242111. The reversal of 314242109 is 901242413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199430884 + 114811225 = 14122^2 + 10715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314242109 is a prime.

Together with 314242111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314242129) 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 as a sum of consecutive naturals, namely, 157121054 + 157121055.

It is an arithmetic number, because the mean of its divisors is an integer number (157121055).

Almost surely, 2^314242109 is an apocalyptic number.

It is an amenable number.

314242109 is a deficient number, since it is larger than the sum of its proper divisors (1).

314242109 is an equidigital number, since it uses as much as digits as its factorization.

314242109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 314242109 is about 17726.8753309770. The cubic root of 314242109 is about 679.8630844586.

It can be divided in two parts, 31424 and 2109, that added together give a palindrome (33533).

The spelling of 314242109 in words is "three hundred fourteen million, two hundred forty-two thousand, one hundred nine".