312331100203 has 16 divisors (see below), whose sum is σ = 332749831680. Its totient is φ = 292140441216.

The previous prime is 312331100189. The next prime is 312331100299. The reversal of 312331100203 is 302001133213.

It is a cyclic number.

It is not a de Polignac number, because 312331100203 - 2⁵ = 312331100171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312331100303) 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, 22361500 + ... + 22375462.

It is an arithmetic number, because the mean of its divisors is an integer number (20796864480).

Almost surely, 2^312331100203 is an apocalyptic number.

312331100203 is a deficient number, since it is larger than the sum of its proper divisors (20418731477).

312331100203 is a wasteful number, since it uses less digits than its factorization.

312331100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22026.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 312331100203 its reverse (302001133213), we get a palindrome (614332233416).

The spelling of 312331100203 in words is "three hundred twelve billion, three hundred thirty-one million, one hundred thousand, two hundred three".