16311304205 has 16 divisors (see below), whose sum is σ = 23547146880. Its totient is φ = 10596215232.

The previous prime is 16311304201. The next prime is 16311304223. The reversal of 16311304205 is 50240311361.

It is a cyclic number.

It is not a de Polignac number, because 16311304205 - 2² = 16311304201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16311304201) 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, 12263474 + ... + 12264803.

It is an arithmetic number, because the mean of its divisors is an integer number (1471696680).

Almost surely, 2^16311304205 is an apocalyptic number.

It is an amenable number.

16311304205 is a deficient number, since it is larger than the sum of its proper divisors (7235842675).

16311304205 is a wasteful number, since it uses less digits than its factorization.

16311304205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24528308.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 16311304205 its reverse (50240311361), we get a palindrome (66551615566).

The spelling of 16311304205 in words is "sixteen billion, three hundred eleven million, three hundred four thousand, two hundred five".