315141242 has 16 divisors (see below), whose sum is σ = 510095880. Its totient is φ = 145157952.

The previous prime is 315141227. The next prime is 315141269. The reversal of 315141242 is 242141513.

It can be written as a sum of positive squares in 4 ways, for example, as 264745441 + 50395801 = 16271^2 + 7099^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1328 + ... + 25140.

Almost surely, 2^315141242 is an apocalyptic number.

315141242 is a deficient number, since it is larger than the sum of its proper divisors (194954638).

315141242 is a wasteful number, since it uses less digits than its factorization.

315141242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24337.

The product of its digits is 960, while the sum is 23.

The square root of 315141242 is about 17752.2179459357. The cubic root of 315141242 is about 680.5108920162.

Adding to 315141242 its reverse (242141513), we get a palindrome (557282755).

The spelling of 315141242 in words is "three hundred fifteen million, one hundred forty-one thousand, two hundred forty-two".