315342274 has 16 divisors (see below), whose sum is σ = 509979960. Its totient is φ = 145376640.

The previous prime is 315342257. The next prime is 315342277. The reversal of 315342274 is 472243513.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 256160025 + 59182249 = 16005^2 + 7693^2 .

It is not an unprimeable number, because it can be changed into a prime (315342277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18022 + ... + 30910.

Almost surely, 2^315342274 is an apocalyptic number.

315342274 is a deficient number, since it is larger than the sum of its proper divisors (194637686).

315342274 is a wasteful number, since it uses less digits than its factorization.

315342274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13845.

The product of its digits is 20160, while the sum is 31.

The square root of 315342274 is about 17757.8792089596. The cubic root of 315342274 is about 680.6555630061.

Adding to 315342274 its reverse (472243513), we get a palindrome (787585787).

The spelling of 315342274 in words is "three hundred fifteen million, three hundred forty-two thousand, two hundred seventy-four".