315105079 has 4 divisors (see below), whose sum is σ = 316598680. Its totient is φ = 313611480.

The previous prime is 315105067. The next prime is 315105113. The reversal of 315105079 is 970501513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970501513 = 19 ⋅51079027.

It is a cyclic number.

It is not a de Polignac number, because 315105079 - 2⁹ = 315104567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315105079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315105019) 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, 746484 + ... + 746905.

It is an arithmetic number, because the mean of its divisors is an integer number (79149670).

Almost surely, 2^315105079 is an apocalyptic number.

315105079 is a deficient number, since it is larger than the sum of its proper divisors (1493601).

315105079 is a wasteful number, since it uses less digits than its factorization.

315105079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493600.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 315105079 is about 17751.1993679300. The cubic root of 315105079 is about 680.4848610884.

The spelling of 315105079 in words is "three hundred fifteen million, one hundred five thousand, seventy-nine".