2031323203 has 32 divisors (see below), whose sum is σ = 2537256960. Its totient is φ = 1583487360.

The previous prime is 2031323197. The next prime is 2031323227. The reversal of 2031323203 is 3023231302.

It is a happy number.

It is not a de Polignac number, because 2031323203 - 2²¹ = 2029226051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2031323293) 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 31 ways as a sum of consecutive naturals, for example, 2229318 + ... + 2230228.

It is an arithmetic number, because the mean of its divisors is an integer number (79289280).

Almost surely, 2^2031323203 is an apocalyptic number.

2031323203 is a deficient number, since it is larger than the sum of its proper divisors (505933757).

2031323203 is a wasteful number, since it uses less digits than its factorization.

2031323203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 2031323203 is about 45070.2030503525. The cubic root of 2031323203 is about 1266.4644681941.

Adding to 2031323203 its reverse (3023231302), we get a palindrome (5054554505).

The spelling of 2031323203 in words is "two billion, thirty-one million, three hundred twenty-three thousand, two hundred three".