312330224 has 20 divisors (see below), whose sum is σ = 609205800. Its totient is φ = 155115840.

The previous prime is 312330223. The next prime is 312330229. The reversal of 312330224 is 422033213.

It is a junction number, because it is equal to n+sod(n) for n = 312330196 and 312330205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312330223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63122 + ... + 67889.

It is an arithmetic number, because the mean of its divisors is an integer number (30460290).

Almost surely, 2^312330224 is an apocalyptic number.

It is an amenable number.

312330224 is a deficient number, since it is larger than the sum of its proper divisors (296875576).

312330224 is a wasteful number, since it uses less digits than its factorization.

312330224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131168 (or 131162 counting only the distinct ones).

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

The square root of 312330224 is about 17672.8668868410. The cubic root of 312330224 is about 678.4814904296.

Adding to 312330224 its reverse (422033213), we get a palindrome (734363437).

The spelling of 312330224 in words is "three hundred twelve million, three hundred thirty thousand, two hundred twenty-four".