312224313 has 8 divisors (see below), whose sum is σ = 416381728. Its totient is φ = 208108224.

The previous prime is 312224309. The next prime is 312224323. The reversal of 312224313 is 313422213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312224313 - 2² = 312224309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312224313.

It is not an unprimeable number, because it can be changed into a prime (312224303) 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 7 ways as a sum of consecutive naturals, for example, 20145 + ... + 32097.

It is an arithmetic number, because the mean of its divisors is an integer number (52047716).

Almost surely, 2^312224313 is an apocalyptic number.

It is an amenable number.

312224313 is a deficient number, since it is larger than the sum of its proper divisors (104157415).

312224313 is a wasteful number, since it uses less digits than its factorization.

312224313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20663.

The product of its digits is 864, while the sum is 21.

The square root of 312224313 is about 17669.8702032584. The cubic root of 312224313 is about 678.4047908645.

Adding to 312224313 its reverse (313422213), we get a palindrome (625646526).

The spelling of 312224313 in words is "three hundred twelve million, two hundred twenty-four thousand, three hundred thirteen".