314320397 has 2 divisors, whose sum is σ = 314320398. Its totient is φ = 314320396.

The previous prime is 314320393. The next prime is 314320423. The reversal of 314320397 is 793023413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261598276 + 52722121 = 16174^2 + 7261^2 .

It is a cyclic number.

It is not a de Polignac number, because 314320397 - 2² = 314320393 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314320393) 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 as a sum of consecutive naturals, namely, 157160198 + 157160199.

It is an arithmetic number, because the mean of its divisors is an integer number (157160199).

Almost surely, 2^314320397 is an apocalyptic number.

It is an amenable number.

314320397 is a deficient number, since it is larger than the sum of its proper divisors (1).

314320397 is an equidigital number, since it uses as much as digits as its factorization.

314320397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 314320397 is about 17729.0833660401. The cubic root of 314320397 is about 679.9195384901.

The spelling of 314320397 in words is "three hundred fourteen million, three hundred twenty thousand, three hundred ninety-seven".