2321312203 has 4 divisors (see below), whose sum is σ = 2652928240. Its totient is φ = 1989696168.

The previous prime is 2321312173. The next prime is 2321312219. The reversal of 2321312203 is 3022131232.

2321312203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2321312203 - 2⁵ = 2321312171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321312233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165808008 + ... + 165808021.

It is an arithmetic number, because the mean of its divisors is an integer number (663232060).

Almost surely, 2^2321312203 is an apocalyptic number.

2321312203 is a deficient number, since it is larger than the sum of its proper divisors (331616037).

2321312203 is an equidigital number, since it uses as much as digits as its factorization.

2321312203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331616036.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2321312203 is about 48179.9979555832. The cubic root of 2321312203 is about 1324.0707290781.

Adding to 2321312203 its reverse (3022131232), we get a palindrome (5343443435).

The spelling of 2321312203 in words is "two billion, three hundred twenty-one million, three hundred twelve thousand, two hundred three".