313440224 has 24 divisors (see below), whose sum is σ = 617667120. Its totient is φ = 156572416.

The previous prime is 313440217. The next prime is 313440247. The reversal of 313440224 is 422044313.

It is a self number, because there is not a number n which added to its sum of digits gives 313440224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35132 + ... + 43140.

It is an arithmetic number, because the mean of its divisors is an integer number (25736130).

Almost surely, 2^313440224 is an apocalyptic number.

It is an amenable number.

313440224 is a deficient number, since it is larger than the sum of its proper divisors (304226896).

313440224 is a wasteful number, since it uses less digits than its factorization.

313440224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9242 (or 9234 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 313440224 is about 17704.2431072328. The cubic root of 313440224 is about 679.2842988908.

Adding to 313440224 its reverse (422044313), we get a palindrome (735484537).

The spelling of 313440224 in words is "three hundred thirteen million, four hundred forty thousand, two hundred twenty-four".