12311342203 has 8 divisors (see below), whose sum is σ = 12630812400. Its totient is φ = 11995565568.

The previous prime is 12311342191. The next prime is 12311342207. The reversal of 12311342203 is 30224311321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12311342203 - 2⁵ = 12311342171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311342207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916638 + ... + 929971.

It is an arithmetic number, because the mean of its divisors is an integer number (1578851550).

Almost surely, 2^12311342203 is an apocalyptic number.

12311342203 is a deficient number, since it is larger than the sum of its proper divisors (319470197).

12311342203 is a wasteful number, since it uses less digits than its factorization.

12311342203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846781.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12311342203 its reverse (30224311321), we get a palindrome (42535653524).

The spelling of 12311342203 in words is "twelve billion, three hundred eleven million, three hundred forty-two thousand, two hundred three".