315488271 has 16 divisors (see below), whose sum is σ = 496252928. Its totient is φ = 174463200.

The previous prime is 315488269. The next prime is 315488321. The reversal of 315488271 is 172884513.

It is not a de Polignac number, because 315488271 - 2¹ = 315488269 is a prime.

It is a super-3 number, since 3×315488271³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315488221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241660 + ... + 242961.

It is an arithmetic number, because the mean of its divisors is an integer number (31015808).

Almost surely, 2^315488271 is an apocalyptic number.

315488271 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

315488271 is a deficient number, since it is larger than the sum of its proper divisors (180764657).

315488271 is a wasteful number, since it uses less digits than its factorization.

315488271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484662.

The product of its digits is 53760, while the sum is 39.

The square root of 315488271 is about 17761.9895000532. The cubic root of 315488271 is about 680.7605899840.

The spelling of 315488271 in words is "three hundred fifteen million, four hundred eighty-eight thousand, two hundred seventy-one".