313230242 has 32 divisors (see below), whose sum is σ = 526935024. Its totient is φ = 138700800.

The previous prime is 313230241. The next prime is 313230277. The reversal of 313230242 is 242032313.

It can be written as a sum of positive squares in 8 ways, for example, as 16736281 + 296493961 = 4091^2 + 17219^2 .

It is a super-2 number, since 2×313230242² = 196226369006757128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313230241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62618 + ... + 67434.

Almost surely, 2^313230242 is an apocalyptic number.

313230242 is a deficient number, since it is larger than the sum of its proper divisors (213704782).

313230242 is a wasteful number, since it uses less digits than its factorization.

313230242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 313230242 is about 17698.3118403988. The cubic root of 313230242 is about 679.1325747567.

Adding to 313230242 its reverse (242032313), we get a palindrome (555262555).

The spelling of 313230242 in words is "three hundred thirteen million, two hundred thirty thousand, two hundred forty-two".