313442 has 8 divisors (see below), whose sum is σ = 479196. Its totient is φ = 153712.

The previous prime is 313409. The next prime is 313471. The reversal of 313442 is 244313.

It can be written as a sum of positive squares in 2 ways, for example, as 312481 + 961 = 559^2 + 31^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 313442.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 313442.

It is an unprimeable number.

313442 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373 + ... + 1584.

2³¹³⁴⁴² is an apocalyptic number.

313442 is a deficient number, since it is larger than the sum of its proper divisors (165754).

313442 is a wasteful number, since it uses less digits than its factorization.

313442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012.

The product of its digits is 288, while the sum is 17.

The square root of 313442 is about 559.8589107981. The cubic root of 313442 is about 67.9285581864.

Adding to 313442 its reverse (244313), we get a palindrome (557755).

The spelling of 313442 in words is "three hundred thirteen thousand, four hundred forty-two".