203023213211 has 32 divisors (see below), whose sum is σ = 256144452480. Its totient is φ = 156652683264.

The previous prime is 203023213199. The next prime is 203023213213. The reversal of 203023213211 is 112312320302.

It is not a de Polignac number, because 203023213211 - 2²⁶ = 202956104347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203023213213) 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 31 ways as a sum of consecutive naturals, for example, 419531 + ... + 762923.

It is an arithmetic number, because the mean of its divisors is an integer number (8004514140).

Almost surely, 2^203023213211 is an apocalyptic number.

203023213211 is a deficient number, since it is larger than the sum of its proper divisors (53121239269).

203023213211 is a wasteful number, since it uses less digits than its factorization.

203023213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343575.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 203023213211 its reverse (112312320302), we get a palindrome (315335533513).

The spelling of 203023213211 in words is "two hundred three billion, twenty-three million, two hundred thirteen thousand, two hundred eleven".