313449427 has 2 divisors, whose sum is σ = 313449428. Its totient is φ = 313449426.

The previous prime is 313449421. The next prime is 313449467. The reversal of 313449427 is 724944313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313449427 - 2³ = 313449419 is a prime.

It is not a weakly prime, because it can be changed into another prime (313449421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156724713 + 156724714.

It is an arithmetic number, because the mean of its divisors is an integer number (156724714).

Almost surely, 2^313449427 is an apocalyptic number.

313449427 is a deficient number, since it is larger than the sum of its proper divisors (1).

313449427 is an equidigital number, since it uses as much as digits as its factorization.

313449427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 37.

The square root of 313449427 is about 17704.5030147700. The cubic root of 313449427 is about 679.2909470401.

The spelling of 313449427 in words is "three hundred thirteen million, four hundred forty-nine thousand, four hundred twenty-seven".