315127915 has 8 divisors (see below), whose sum is σ = 379592928. Its totient is φ = 251142720.

The previous prime is 315127913. The next prime is 315127921. The reversal of 315127915 is 519721513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 315127915 - 2¹ = 315127913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315127913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118506 + ... + 121135.

It is an arithmetic number, because the mean of its divisors is an integer number (47449116).

Almost surely, 2^315127915 is an apocalyptic number.

315127915 is a deficient number, since it is larger than the sum of its proper divisors (64465013).

315127915 is a wasteful number, since it uses less digits than its factorization.

315127915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239909.

The product of its digits is 9450, while the sum is 34.

The square root of 315127915 is about 17751.8425804196. The cubic root of 315127915 is about 680.5012991784.

The spelling of 315127915 in words is "three hundred fifteen million, one hundred twenty-seven thousand, nine hundred fifteen".