204343055311 has 8 divisors (see below), whose sum is σ = 210427043024. Its totient is φ = 198319605120.

The previous prime is 204343055299. The next prime is 204343055347. The reversal of 204343055311 is 113550343402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204343055311 - 2⁷ = 204343055183 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 (204343055381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15127530 + ... + 15141031.

It is an arithmetic number, because the mean of its divisors is an integer number (26303380378).

Almost surely, 2^204343055311 is an apocalyptic number.

204343055311 is a deficient number, since it is larger than the sum of its proper divisors (6083987713).

204343055311 is a wasteful number, since it uses less digits than its factorization.

204343055311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30268761.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 204343055311 its reverse (113550343402), we get a palindrome (317893398713).

The spelling of 204343055311 in words is "two hundred four billion, three hundred forty-three million, fifty-five thousand, three hundred eleven".