315605107 has 4 divisors (see below), whose sum is σ = 315653800. Its totient is φ = 315556416.

The previous prime is 315605077. The next prime is 315605131. The reversal of 315605107 is 701506513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701506513 = 17 ⋅41265089.

It is a cyclic number.

It is not a de Polignac number, because 315605107 - 2⁷ = 315604979 is a prime.

It is a super-3 number, since 3×315605107³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315605177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12798 + ... + 28195.

It is an arithmetic number, because the mean of its divisors is an integer number (78913450).

Almost surely, 2^315605107 is an apocalyptic number.

315605107 is a deficient number, since it is larger than the sum of its proper divisors (48693).

315605107 is an equidigital number, since it uses as much as digits as its factorization.

315605107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48692.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 315605107 is about 17765.2781289796. The cubic root of 315605107 is about 680.8446158525.

The spelling of 315605107 in words is "three hundred fifteen million, six hundred five thousand, one hundred seven".