2031223203211 has 4 divisors (see below), whose sum is σ = 2031226133400. Its totient is φ = 2031220273024.

The previous prime is 2031223203193. The next prime is 2031223203241. The reversal of 2031223203211 is 1123023221302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2031223203211 - 2¹⁵ = 2031223170443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031223203241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223260 + ... + 2027878.

It is an arithmetic number, because the mean of its divisors is an integer number (507806533350).

Almost surely, 2^{2031223203211} is an apocalyptic number.

2031223203211 is a deficient number, since it is larger than the sum of its proper divisors (2930189).

2031223203211 is a wasteful number, since it uses less digits than its factorization.

2031223203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930188.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2031223203211 its reverse (1123023221302), we get a palindrome (3154246424513).

The spelling of 2031223203211 in words is "two trillion, thirty-one billion, two hundred twenty-three million, two hundred three thousand, two hundred eleven".