315338279 has 4 divisors (see below), whose sum is σ = 316752576. Its totient is φ = 313923984.

The previous prime is 315338263. The next prime is 315338297. The reversal of 315338279 is 972833513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315338279 - 2⁴ = 315338263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315338249) 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, 706814 + ... + 707259.

It is an arithmetic number, because the mean of its divisors is an integer number (79188144).

Almost surely, 2^315338279 is an apocalyptic number.

315338279 is a deficient number, since it is larger than the sum of its proper divisors (1414297).

315338279 is a wasteful number, since it uses less digits than its factorization.

315338279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414296.

The product of its digits is 136080, while the sum is 41.

The square root of 315338279 is about 17757.7667233242. The cubic root of 315338279 is about 680.6526886368.

The spelling of 315338279 in words is "three hundred fifteen million, three hundred thirty-eight thousand, two hundred seventy-nine".