315385113 has 4 divisors (see below), whose sum is σ = 420513488. Its totient is φ = 210256740.

The previous prime is 315385099. The next prime is 315385141. The reversal of 315385113 is 311583513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311583513 = 3 ⋅103861171.

It is not a de Polignac number, because 315385113 - 2¹⁰ = 315384089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315385153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52564183 + ... + 52564188.

It is an arithmetic number, because the mean of its divisors is an integer number (105128372).

Almost surely, 2^315385113 is an apocalyptic number.

It is an amenable number.

315385113 is a deficient number, since it is larger than the sum of its proper divisors (105128375).

315385113 is a wasteful number, since it uses less digits than its factorization.

315385113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105128374.

The product of its digits is 5400, while the sum is 30.

The square root of 315385113 is about 17759.0853649618. The cubic root of 315385113 is about 680.6863837848.

The spelling of 315385113 in words is "three hundred fifteen million, three hundred eighty-five thousand, one hundred thirteen".