203311012011103 has 16 divisors (see below), whose sum is σ = 210458518930080. Its totient is φ = 196172631398016.

The previous prime is 203311012011071. The next prime is 203311012011113. The reversal of 203311012011103 is 301110210113302.

203311012011103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 203311012011103 - 2⁵ = 203311012011071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203311012011113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2950050601 + ... + 2950119517.

It is an arithmetic number, because the mean of its divisors is an integer number (13153657433130).

Almost surely, 2^{203311012011103} is an apocalyptic number.

203311012011103 is a deficient number, since it is larger than the sum of its proper divisors (7147506918977).

203311012011103 is a wasteful number, since it uses less digits than its factorization.

203311012011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133626.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 203311012011103 its reverse (301110210113302), we get a palindrome (504421222124405).

The spelling of 203311012011103 in words is "two hundred three trillion, three hundred eleven billion, twelve million, eleven thousand, one hundred three".