2031320203 has 4 divisors (see below), whose sum is σ = 2215985688. Its totient is φ = 1846654720.

The previous prime is 2031320201. The next prime is 2031320209. The reversal of 2031320203 is 3020231302.

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 2031320203 - 2¹ = 2031320201 is a prime.

It is a super-2 number, since 2×2031320203² = 8252523534231922418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031320201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92332726 + ... + 92332747.

It is an arithmetic number, because the mean of its divisors is an integer number (553996422).

Almost surely, 2^2031320203 is an apocalyptic number.

2031320203 is a deficient number, since it is larger than the sum of its proper divisors (184665485).

2031320203 is a wasteful number, since it uses less digits than its factorization.

2031320203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184665484.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2031320203 is about 45070.1697689281. The cubic root of 2031320203 is about 1266.4638447260.

Adding to 2031320203 its reverse (3020231302), we get a palindrome (5051551505).

The spelling of 2031320203 in words is "two billion, thirty-one million, three hundred twenty thousand, two hundred three".