312342 has 8 divisors (see below), whose sum is σ = 624696. Its totient is φ = 104112.

The previous prime is 312331. The next prime is 312343. The reversal of 312342 is 243213.

312342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

312342 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26023 + ... + 26034.

It is an arithmetic number, because the mean of its divisors is an integer number (78087).

2³¹²³⁴² is an apocalyptic number.

312342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

312342 is a wasteful number, since it uses less digits than its factorization.

312342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52062.

The product of its digits is 144, while the sum is 15.

The square root of 312342 is about 558.8756570115. The cubic root of 312342 is about 67.8490017406.

Adding to 312342 its reverse (243213), we get a palindrome (555555).

The spelling of 312342 in words is "three hundred twelve thousand, three hundred forty-two", and thus it is an iban number.