203211131023 has 2 divisors, whose sum is σ = 203211131024. Its totient is φ = 203211131022.

The previous prime is 203211130987. The next prime is 203211131029. The reversal of 203211131023 is 320131112302.

203211131023 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 203211131023 - 2⁹ = 203211130511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203211131029) 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, 101605565511 + 101605565512.

It is an arithmetic number, because the mean of its divisors is an integer number (101605565512).

Almost surely, 2^203211131023 is an apocalyptic number.

203211131023 is a deficient number, since it is larger than the sum of its proper divisors (1).

203211131023 is an equidigital number, since it uses as much as digits as its factorization.

203211131023 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 203211131023 its reverse (320131112302), we get a palindrome (523342243325).

The spelling of 203211131023 in words is "two hundred three billion, two hundred eleven million, one hundred thirty-one thousand, twenty-three".