313042 has 4 divisors (see below), whose sum is σ = 469566. Its totient is φ = 156520.

The previous prime is 313037. The next prime is 313081. The reversal of 313042 is 240313.

313042 is nontrivially palindromic in base 7.

313042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240313 = 167 ⋅1439.

It can be written as a sum of positive squares in only one way, i.e., 269361 + 43681 = 519^2 + 209^2 .

It is an unprimeable number.

313042 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 as a sum of consecutive naturals, namely, 78259 + ... + 78262.

2³¹³⁰⁴² is an apocalyptic number.

313042 is a deficient number, since it is larger than the sum of its proper divisors (156524).

313042 is a wasteful number, since it uses less digits than its factorization.

313042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156523.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 313042 is about 559.5015638942. The cubic root of 313042 is about 67.8996501378.

Adding to 313042 its reverse (240313), we get a palindrome (553355).

The spelling of 313042 in words is "three hundred thirteen thousand, forty-two".