312003203203 has 16 divisors (see below), whose sum is σ = 327685602816. Its totient is φ = 296498568960.

The previous prime is 312003203173. The next prime is 312003203207. The reversal of 312003203203 is 302302300213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 312003203203 - 2²⁹ = 311466332291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312003203207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11387026 + ... + 11414392.

It is an arithmetic number, because the mean of its divisors is an integer number (20480350176).

Almost surely, 2^312003203203 is an apocalyptic number.

312003203203 is a deficient number, since it is larger than the sum of its proper divisors (15682399613).

312003203203 is a wasteful number, since it uses less digits than its factorization.

312003203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30594.

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

Adding to 312003203203 its reverse (302302300213), we get a palindrome (614305503416).

The spelling of 312003203203 in words is "three hundred twelve billion, three million, two hundred three thousand, two hundred three".