310242 has 16 divisors (see below), whose sum is σ = 642240. Its totient is φ = 99792.

The previous prime is 310237. The next prime is 310243. The reversal of 310242 is 242013.

310242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 310242.

It is not an unprimeable number, because it can be changed into a prime (310243) by changing a digit.

310242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718 + ... + 1065.

It is an arithmetic number, because the mean of its divisors is an integer number (40140).

2³¹⁰²⁴² is an apocalyptic number.

310242 is an abundant number, since it is smaller than the sum of its proper divisors (331998).

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

310242 is a wasteful number, since it uses less digits than its factorization.

310242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 310242 is about 556.9937163021. The cubic root of 310242 is about 67.6966010336.

Adding to 310242 its reverse (242013), we get a palindrome (552255).

The spelling of 310242 in words is "three hundred ten thousand, two hundred forty-two", and thus it is an iban number.