204311002113 has 6 divisors (see below), whose sum is σ = 295115891954. Its totient is φ = 136207334736.

The previous prime is 204311002111. The next prime is 204311002139. The reversal of 204311002113 is 311200113402.

204311002113 is a `hidden beast` number, since 20 + 431 + 1 + 0 + 0 + 211 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 165244689009 + 39066313104 = 406503^2 + 197652^2 .

It is not a de Polignac number, because 204311002113 - 2¹ = 204311002111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204311002111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11350611220 + ... + 11350611237.

Almost surely, 2^204311002113 is an apocalyptic number.

It is an amenable number.

204311002113 is a deficient number, since it is larger than the sum of its proper divisors (90804889841).

204311002113 is a wasteful number, since it uses less digits than its factorization.

204311002113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22701222463 (or 22701222460 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 204311002113 its reverse (311200113402), we get a palindrome (515511115515).

The spelling of 204311002113 in words is "two hundred four billion, three hundred eleven million, two thousand, one hundred thirteen".