204311043113 has 16 divisors (see below), whose sum is σ = 214763773440. Its totient is φ = 193993519104.

The previous prime is 204311043109. The next prime is 204311043127. The reversal of 204311043113 is 311340113402.

204311043113 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 204311043113 - 2² = 204311043109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204311043173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2005553 + ... + 2104961.

It is an arithmetic number, because the mean of its divisors is an integer number (13422735840).

Almost surely, 2^204311043113 is an apocalyptic number.

204311043113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

204311043113 is a deficient number, since it is larger than the sum of its proper divisors (10452730327).

204311043113 is a wasteful number, since it uses less digits than its factorization.

204311043113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100088.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 204311043113 its reverse (311340113402), we get a palindrome (515651156515).

The spelling of 204311043113 in words is "two hundred four billion, three hundred eleven million, forty-three thousand, one hundred thirteen".