315353219 has 2 divisors, whose sum is σ = 315353220. Its totient is φ = 315353218.

The previous prime is 315353197. The next prime is 315353239. The reversal of 315353219 is 912353513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315353219 - 2⁸ = 315352963 is a prime.

It is a super-2 number, since 2×315353219² = 198895305467323922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315353239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157676609 + 157676610.

It is an arithmetic number, because the mean of its divisors is an integer number (157676610).

Almost surely, 2^315353219 is an apocalyptic number.

315353219 is a deficient number, since it is larger than the sum of its proper divisors (1).

315353219 is an equidigital number, since it uses as much as digits as its factorization.

315353219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12150, while the sum is 32.

The square root of 315353219 is about 17758.1873793470. The cubic root of 315353219 is about 680.6634377183.

The spelling of 315353219 in words is "three hundred fifteen million, three hundred fifty-three thousand, two hundred nineteen".