203402104105 has 16 divisors (see below), whose sum is σ = 250695138240. Its totient is φ = 158313828672.

The previous prime is 203402104099. The next prime is 203402104151. The reversal of 203402104105 is 501401204302.

It is a cyclic number.

It is not a de Polignac number, because 203402104105 - 2¹⁹ = 203401579817 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4539622 + ... + 4584208.

It is an arithmetic number, because the mean of its divisors is an integer number (15668446140).

Almost surely, 2^203402104105 is an apocalyptic number.

It is an amenable number.

203402104105 is a deficient number, since it is larger than the sum of its proper divisors (47293034135).

203402104105 is a wasteful number, since it uses less digits than its factorization.

203402104105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69288.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 203402104105 its reverse (501401204302), we get a palindrome (704803308407).

The spelling of 203402104105 in words is "two hundred three billion, four hundred two million, one hundred four thousand, one hundred five".