203231310211 has 2 divisors, whose sum is σ = 203231310212. Its totient is φ = 203231310210.

The previous prime is 203231310071. The next prime is 203231310281. The reversal of 203231310211 is 112013132302.

203231310211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203231310211 - 2¹⁷ = 203231179139 is a prime.

It is not a weakly prime, because it can be changed into another prime (203231310281) 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 as a sum of consecutive naturals, namely, 101615655105 + 101615655106.

It is an arithmetic number, because the mean of its divisors is an integer number (101615655106).

Almost surely, 2^203231310211 is an apocalyptic number.

203231310211 is a deficient number, since it is larger than the sum of its proper divisors (1).

203231310211 is an equidigital number, since it uses as much as digits as its factorization.

203231310211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 203231310211 its reverse (112013132302), we get a palindrome (315244442513).

The spelling of 203231310211 in words is "two hundred three billion, two hundred thirty-one million, three hundred ten thousand, two hundred eleven".