312230203 has 4 divisors (see below), whose sum is σ = 312361488. Its totient is φ = 312098920.

The previous prime is 312230197. The next prime is 312230257. The reversal of 312230203 is 302032213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312230203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312230263) 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 3 ways as a sum of consecutive naturals, for example, 62008 + ... + 66853.

It is an arithmetic number, because the mean of its divisors is an integer number (78090372).

Almost surely, 2^312230203 is an apocalyptic number.

312230203 is a deficient number, since it is larger than the sum of its proper divisors (131285).

312230203 is a wasteful number, since it uses less digits than its factorization.

312230203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131284.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 312230203 is about 17670.0368703633. The cubic root of 312230203 is about 678.4090567923.

Adding to 312230203 its reverse (302032213), we get a palindrome (614262416).

The spelling of 312230203 in words is "three hundred twelve million, two hundred thirty thousand, two hundred three".