312220332203 has 12 divisors (see below), whose sum is σ = 338109841080. Its totient is φ = 288181984896.

The previous prime is 312220332107. The next prime is 312220332247. The reversal of 312220332203 is 302233022213.

It is not a de Polignac number, because 312220332203 - 2²² = 312216137899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312220932203) 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, 2497475 + ... + 2619507.

It is an arithmetic number, because the mean of its divisors is an integer number (28175820090).

Almost surely, 2^312220332203 is an apocalyptic number.

312220332203 is a deficient number, since it is larger than the sum of its proper divisors (25889508877).

312220332203 is a wasteful number, since it uses less digits than its factorization.

312220332203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137198 (or 137185 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 312220332203 its reverse (302233022213), we get a palindrome (614453354416).

The spelling of 312220332203 in words is "three hundred twelve billion, two hundred twenty million, three hundred thirty-two thousand, two hundred three".