203331110103 has 24 divisors (see below), whose sum is σ = 320425706640. Its totient is φ = 123221295360.

The previous prime is 203331110083. The next prime is 203331110111. The reversal of 203331110103 is 301011133302.

It is a happy number.

It is not a de Polignac number, because 203331110103 - 2¹⁸ = 203330847959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203331110123) 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 23 ways as a sum of consecutive naturals, for example, 1305663 + ... + 1453071.

It is an arithmetic number, because the mean of its divisors is an integer number (13351071110).

Almost surely, 2^203331110103 is an apocalyptic number.

203331110103 is a deficient number, since it is larger than the sum of its proper divisors (117094596537).

203331110103 is a wasteful number, since it uses less digits than its factorization.

203331110103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161359 (or 161356 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 203331110103 its reverse (301011133302), we get a palindrome (504342243405).

The spelling of 203331110103 in words is "two hundred three billion, three hundred thirty-one million, one hundred ten thousand, one hundred three".