315342982 has 4 divisors (see below), whose sum is σ = 473014476. Its totient is φ = 157671490.

The previous prime is 315342961. The next prime is 315343001. The reversal of 315342982 is 289243513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 289243513 = 13 ⋅22249501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78835744 + ... + 78835747.

It is an arithmetic number, because the mean of its divisors is an integer number (118253619).

Almost surely, 2^315342982 is an apocalyptic number.

315342982 is a deficient number, since it is larger than the sum of its proper divisors (157671494).

315342982 is a wasteful number, since it uses less digits than its factorization.

315342982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157671493.

The product of its digits is 51840, while the sum is 37.

The square root of 315342982 is about 17757.8991437613. The cubic root of 315342982 is about 680.6560724037.

The spelling of 315342982 in words is "three hundred fifteen million, three hundred forty-two thousand, nine hundred eighty-two".