315307241 has 2 divisors, whose sum is σ = 315307242. Its totient is φ = 315307240.

The previous prime is 315307199. The next prime is 315307273. The reversal of 315307241 is 142703513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200817241 + 114490000 = 14171^2 + 10700^2 .

It is a cyclic number.

It is not a de Polignac number, because 315307241 - 2¹⁰ = 315306217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315307241.

It is not a weakly prime, because it can be changed into another prime (315207241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157653620 + 157653621.

It is an arithmetic number, because the mean of its divisors is an integer number (157653621).

Almost surely, 2^315307241 is an apocalyptic number.

It is an amenable number.

315307241 is a deficient number, since it is larger than the sum of its proper divisors (1).

315307241 is an equidigital number, since it uses as much as digits as its factorization.

315307241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 315307241 is about 17756.8927743567. The cubic root of 315307241 is about 680.6303562267.

The spelling of 315307241 in words is "three hundred fifteen million, three hundred seven thousand, two hundred forty-one".