312223303 has 16 divisors (see below), whose sum is σ = 368547840. Its totient is φ = 258958656.

The previous prime is 312223267. The next prime is 312223337. The reversal of 312223303 is 303322213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 312223303 - 2⁹ = 312222791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312223603) 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, 23950 + ... + 34612.

It is an arithmetic number, because the mean of its divisors is an integer number (23034240).

Almost surely, 2^312223303 is an apocalyptic number.

312223303 is a deficient number, since it is larger than the sum of its proper divisors (56324537).

312223303 is a wasteful number, since it uses less digits than its factorization.

312223303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10806.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 312223303 is about 17669.8416235121. The cubic root of 312223303 is about 678.4040593503.

Adding to 312223303 its reverse (303322213), we get a palindrome (615545516).

The spelling of 312223303 in words is "three hundred twelve million, two hundred twenty-three thousand, three hundred three".