203304344411111 has 16 divisors (see below), whose sum is σ = 205290303738624. Its totient is φ = 201319988985024.

The previous prime is 203304344411093. The next prime is 203304344411149. The reversal of 203304344411111 is 111114443403302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 203304344411111 - 2¹⁸ = 203304344148967 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 (203304344411011) 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, 4733160011 + ... + 4733202963.

It is an arithmetic number, because the mean of its divisors is an integer number (12830643983664).

Almost surely, 2^{203304344411111} is an apocalyptic number.

203304344411111 is a deficient number, since it is larger than the sum of its proper divisors (1985959327513).

203304344411111 is a wasteful number, since it uses less digits than its factorization.

203304344411111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60550.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 203304344411111 its reverse (111114443403302), we get a palindrome (314418787814413).

The spelling of 203304344411111 in words is "two hundred three trillion, three hundred four billion, three hundred forty-four million, four hundred eleven thousand, one hundred eleven".