315042319 has 8 divisors (see below), whose sum is σ = 322959168. Its totient is φ = 307136640.

The previous prime is 315042251. The next prime is 315042337. The reversal of 315042319 is 913240513.

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

It is a cyclic number.

It is not a de Polignac number, because 315042319 - 2²⁷ = 180824591 is a prime.

It is a super-2 number, since 2×315042319² = 198503325521795522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315042389) 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, 112059 + ... + 114835.

It is an arithmetic number, because the mean of its divisors is an integer number (40369896).

Almost surely, 2^315042319 is an apocalyptic number.

315042319 is a deficient number, since it is larger than the sum of its proper divisors (7916849).

315042319 is a wasteful number, since it uses less digits than its factorization.

315042319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5585.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 315042319 is about 17749.4315120231. The cubic root of 315042319 is about 680.4396803234.

The spelling of 315042319 in words is "three hundred fifteen million, forty-two thousand, three hundred nineteen".