313683242 has 4 divisors (see below), whose sum is σ = 470524866. Its totient is φ = 156841620.

The previous prime is 313683241. The next prime is 313683277. The reversal of 313683242 is 242386313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 313679521 + 3721 = 17711^2 + 61^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313683199 and 313683208.

It is not an unprimeable number, because it can be changed into a prime (313683241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78420809 + ... + 78420812.

Almost surely, 2^313683242 is an apocalyptic number.

313683242 is a deficient number, since it is larger than the sum of its proper divisors (156841624).

313683242 is a wasteful number, since it uses less digits than its factorization.

313683242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156841623.

The product of its digits is 20736, while the sum is 32.

The square root of 313683242 is about 17711.1050473989. The cubic root of 313683242 is about 679.4598088758.

The spelling of 313683242 in words is "three hundred thirteen million, six hundred eighty-three thousand, two hundred forty-two".