315235342 has 16 divisors (see below), whose sum is σ = 492948864. Its totient is φ = 151020000.

The previous prime is 315235331. The next prime is 315235343. The reversal of 315235342 is 243532513.

It is a self number, because there is not a number n which added to its sum of digits gives 315235342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315235343) 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, 18909 + ... + 31432.

It is an arithmetic number, because the mean of its divisors is an integer number (30809304).

Almost surely, 2^315235342 is an apocalyptic number.

315235342 is a deficient number, since it is larger than the sum of its proper divisors (177713522).

315235342 is a wasteful number, since it uses less digits than its factorization.

315235342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50475.

The product of its digits is 10800, while the sum is 28.

The square root of 315235342 is about 17754.8681211661. The cubic root of 315235342 is about 680.5786179476.

Adding to 315235342 its reverse (243532513), we get a palindrome (558767855).

The spelling of 315235342 in words is "three hundred fifteen million, two hundred thirty-five thousand, three hundred forty-two".