203210321331103 has 2 divisors, whose sum is σ = 203210321331104. Its totient is φ = 203210321331102.

The previous prime is 203210321331067. The next prime is 203210321331161. The reversal of 203210321331103 is 301133123012302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203210321331103 - 2²⁹ = 203209784460191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203210321331163) 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 as a sum of consecutive naturals, namely, 101605160665551 + 101605160665552.

It is an arithmetic number, because the mean of its divisors is an integer number (101605160665552).

Almost surely, 2^{203210321331103} is an apocalyptic number.

203210321331103 is a deficient number, since it is larger than the sum of its proper divisors (1).

203210321331103 is an equidigital number, since it uses as much as digits as its factorization.

203210321331103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 203210321331103 its reverse (301133123012302), we get a palindrome (504343444343405).

The spelling of 203210321331103 in words is "two hundred three trillion, two hundred ten billion, three hundred twenty-one million, three hundred thirty-one thousand, one hundred three".