2031231203 has 4 divisors (see below), whose sum is σ = 2031469248. Its totient is φ = 2030993160.

The previous prime is 2031231193. The next prime is 2031231211. The reversal of 2031231203 is 3021321302.

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 2031231203 - 2¹⁴ = 2031214819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031236203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105728 + ... + 123453.

It is an arithmetic number, because the mean of its divisors is an integer number (507867312).

Almost surely, 2^2031231203 is an apocalyptic number.

2031231203 is a deficient number, since it is larger than the sum of its proper divisors (238045).

2031231203 is an equidigital number, since it uses as much as digits as its factorization.

2031231203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238044.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2031231203 is about 45069.1824088257. The cubic root of 2031231203 is about 1266.4453482283.

Adding to 2031231203 its reverse (3021321302), we get a palindrome (5052552505).

Subtracting 2031231203 from its reverse (3021321302), we obtain a palindrome (990090099).

It can be divided in two parts, 20312 and 31203, that added together give a palindrome (51515).

The spelling of 2031231203 in words is "two billion, thirty-one million, two hundred thirty-one thousand, two hundred three".