203404303099 has 16 divisors (see below), whose sum is σ = 208428480000. Its totient is φ = 198435126240.

The previous prime is 203404303093. The next prime is 203404303117. The reversal of 203404303099 is 990303404302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203404303099 is a prime.

It is a super-2 number, since 2×203404303099² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203404303093) 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, 10284382 + ... + 10304140.

It is an arithmetic number, because the mean of its divisors is an integer number (13026780000).

Almost surely, 2^203404303099 is an apocalyptic number.

203404303099 is a deficient number, since it is larger than the sum of its proper divisors (5024176901).

203404303099 is a wasteful number, since it uses less digits than its factorization.

203404303099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21138.

The product of its (nonzero) digits is 69984, while the sum is 37.

The spelling of 203404303099 in words is "two hundred three billion, four hundred four million, three hundred three thousand, ninety-nine".