315053203 has 2 divisors, whose sum is σ = 315053204. Its totient is φ = 315053202.

The previous prime is 315053177. The next prime is 315053209. The reversal of 315053203 is 302350513.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (302350513) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315053203 is a prime.

It is not a weakly prime, because it can be changed into another prime (315053209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157526601 + 157526602.

It is an arithmetic number, because the mean of its divisors is an integer number (157526602).

Almost surely, 2^315053203 is an apocalyptic number.

315053203 is a deficient number, since it is larger than the sum of its proper divisors (1).

315053203 is an equidigital number, since it uses as much as digits as its factorization.

315053203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 315053203 is about 17749.7381107441. The cubic root of 315053203 is about 680.4475161175.

The spelling of 315053203 in words is "three hundred fifteen million, fifty-three thousand, two hundred three".