2031220203 has 4 divisors (see below), whose sum is σ = 2708293608. Its totient is φ = 1354146800.

The previous prime is 2031220189. The next prime is 2031220207. The reversal of 2031220203 is 3020221302.

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 2031220203 - 2⁹ = 2031219691 is a prime.

It is a super-2 number, since 2×2031220203² = 8251711026150722418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2031220207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338536698 + ... + 338536703.

It is an arithmetic number, because the mean of its divisors is an integer number (677073402).

Almost surely, 2^2031220203 is an apocalyptic number.

2031220203 is a deficient number, since it is larger than the sum of its proper divisors (677073405).

2031220203 is an equidigital number, since it uses as much as digits as its factorization.

2031220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677073404.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2031220203 is about 45069.0603740526. The cubic root of 2031220203 is about 1266.4430621068.

Adding to 2031220203 its reverse (3020221302), we get a palindrome (5051441505).

The spelling of 2031220203 in words is "two billion, thirty-one million, two hundred twenty thousand, two hundred three".