313207417 has 2 divisors, whose sum is σ = 313207418. Its totient is φ = 313207416.

The previous prime is 313207409. The next prime is 313207423. The reversal of 313207417 is 714702313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265168656 + 48038761 = 16284^2 + 6931^2 .

It is a cyclic number.

It is not a de Polignac number, because 313207417 - 2³ = 313207409 is a prime.

It is not a weakly prime, because it can be changed into another prime (313207117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156603708 + 156603709.

It is an arithmetic number, because the mean of its divisors is an integer number (156603709).

Almost surely, 2^313207417 is an apocalyptic number.

It is an amenable number.

313207417 is a deficient number, since it is larger than the sum of its proper divisors (1).

313207417 is an equidigital number, since it uses as much as digits as its factorization.

313207417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 313207417 is about 17697.6669931378. Note that the first 3 decimals coincide. The cubic root of 313207417 is about 679.1160782892.

The spelling of 313207417 in words is "three hundred thirteen million, two hundred seven thousand, four hundred seventeen".