2021344203 has 16 divisors (see below), whose sum is σ = 2864526080. Its totient is φ = 1264240224.

The previous prime is 2021344177. The next prime is 2021344207. The reversal of 2021344203 is 3024431202.

It is not a de Polignac number, because 2021344203 - 2¹⁰ = 2021343179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021344203.

It is not an unprimeable number, because it can be changed into a prime (2021344207) 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, 166276 + ... + 178017.

It is an arithmetic number, because the mean of its divisors is an integer number (179032880).

Almost surely, 2^2021344203 is an apocalyptic number.

2021344203 is a deficient number, since it is larger than the sum of its proper divisors (843181877).

2021344203 is a wasteful number, since it uses less digits than its factorization.

2021344203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344418.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2021344203 is about 44959.3616836360. The cubic root of 2021344203 is about 1264.3872014089.

Adding to 2021344203 its reverse (3024431202), we get a palindrome (5045775405).

The spelling of 2021344203 in words is "two billion, twenty-one million, three hundred forty-four thousand, two hundred three".