315603113 has 16 divisors (see below), whose sum is σ = 384217344. Its totient is φ = 253063680.

The previous prime is 315603109. The next prime is 315603139. The reversal of 315603113 is 311306513.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 315603113 - 2² = 315603109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315603173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11933 + ... + 27813.

It is an arithmetic number, because the mean of its divisors is an integer number (24013584).

Almost surely, 2^315603113 is an apocalyptic number.

It is an amenable number.

315603113 is a deficient number, since it is larger than the sum of its proper divisors (68614231).

315603113 is a wasteful number, since it uses less digits than its factorization.

315603113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16072.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 315603113 is about 17765.2220081822. Note that the first 3 decimals coincide. The cubic root of 315603113 is about 680.8431819857.

Adding to 315603113 its reverse (311306513), we get a palindrome (626909626).

The spelling of 315603113 in words is "three hundred fifteen million, six hundred three thousand, one hundred thirteen".