315742316 has 18 divisors (see below), whose sum is σ = 570955140. Its totient is φ = 152776680.

The previous prime is 315742313. The next prime is 315742319. The reversal of 315742316 is 613247513.

It is an interprime number because it is at equal distance from previous prime (315742313) and next prime (315742319).

It is a super-2 number, since 2×315742316² = 199386420226087712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315742313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37226 + ... + 44913.

It is an arithmetic number, because the mean of its divisors is an integer number (31719730).

Almost surely, 2^315742316 is an apocalyptic number.

It is an amenable number.

315742316 is a deficient number, since it is larger than the sum of its proper divisors (255212824).

315742316 is a wasteful number, since it uses less digits than its factorization.

315742316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82205 (or 82172 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 315742316 is about 17769.1394276707. The cubic root of 315742316 is about 680.9432670596.

Adding to 315742316 its reverse (613247513), we get a palindrome (928989829).

The spelling of 315742316 in words is "three hundred fifteen million, seven hundred forty-two thousand, three hundred sixteen".