312230303 has 12 divisors (see below), whose sum is σ = 396226152. Its totient is φ = 243295920.

The previous prime is 312230299. The next prime is 312230311. The reversal of 312230303 is 303032213.

It is not a de Polignac number, because 312230303 - 2² = 312230299 is a prime.

It is a super-2 number, since 2×312230303² = 194975524222943618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312230323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289100 + ... + 290177.

It is an arithmetic number, because the mean of its divisors is an integer number (33018846).

Almost surely, 2^312230303 is an apocalyptic number.

312230303 is a deficient number, since it is larger than the sum of its proper divisors (83995849).

312230303 is a wasteful number, since it uses less digits than its factorization.

312230303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579302 (or 579295 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 312230303 is about 17670.0397000120. The cubic root of 312230303 is about 678.4091292184.

Adding to 312230303 its reverse (303032213), we get a palindrome (615262516).

The spelling of 312230303 in words is "three hundred twelve million, two hundred thirty thousand, three hundred three".