2031223443 has 16 divisors (see below), whose sum is σ = 2866780800. Its totient is φ = 1275704640.

The previous prime is 2031223417. The next prime is 2031223471. The reversal of 2031223443 is 3443221302.

It is not a de Polignac number, because 2031223443 - 2³⁰ = 957481619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2031223483) 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, 89338 + ... + 109743.

It is an arithmetic number, because the mean of its divisors is an integer number (179173800).

Almost surely, 2^2031223443 is an apocalyptic number.

2031223443 is a deficient number, since it is larger than the sum of its proper divisors (835557357).

2031223443 is a wasteful number, since it uses less digits than its factorization.

2031223443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199282.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2031223443 is about 45069.0963188746. The cubic root of 2031223443 is about 1266.4437354744.

Adding to 2031223443 its reverse (3443221302), we get a palindrome (5474444745).

The spelling of 2031223443 in words is "two billion, thirty-one million, two hundred twenty-three thousand, four hundred forty-three".