315446871 has 4 divisors (see below), whose sum is σ = 420595832. Its totient is φ = 210297912.

The previous prime is 315446869. The next prime is 315446881. The reversal of 315446871 is 178644513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178644513 = 3 ⋅59548171.

It is not a de Polignac number, because 315446871 - 2¹ = 315446869 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 (315446851) 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, 52574476 + ... + 52574481.

It is an arithmetic number, because the mean of its divisors is an integer number (105148958).

Almost surely, 2^315446871 is an apocalyptic number.

315446871 is a deficient number, since it is larger than the sum of its proper divisors (105148961).

315446871 is a wasteful number, since it uses less digits than its factorization.

315446871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105148960.

The product of its digits is 80640, while the sum is 39.

The square root of 315446871 is about 17760.8240518282. The cubic root of 315446871 is about 680.7308110415.

The spelling of 315446871 in words is "three hundred fifteen million, four hundred forty-six thousand, eight hundred seventy-one".