315342 has 12 divisors (see below), whose sum is σ = 683280. Its totient is φ = 105108.

The previous prime is 315313. The next prime is 315349. The reversal of 315342 is 243513.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 17519 = 315342 / (3 + 1 + 5 + 3 + 4 + 2).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315349) by changing a digit.

315342 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8742 + ... + 8777.

It is an arithmetic number, because the mean of its divisors is an integer number (56940).

2³¹⁵³⁴² is an apocalyptic number.

315342 is an abundant number, since it is smaller than the sum of its proper divisors (367938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315342 is a wasteful number, since it uses less digits than its factorization.

315342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17527 (or 17524 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 315342 is about 561.5532031785. The cubic root of 315342 is about 68.0655365866.

Adding to 315342 its reverse (243513), we get a palindrome (558855).

The spelling of 315342 in words is "three hundred fifteen thousand, three hundred forty-two".