204034404130013 has 4 divisors (see below), whose sum is σ = 212905465179168. Its totient is φ = 195163343080860.

The previous prime is 204034404130009. The next prime is 204034404130021. The reversal of 204034404130013 is 310031404430402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204034404130013 - 2² = 204034404130009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204034404130043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4435530524543 + ... + 4435530524588.

It is an arithmetic number, because the mean of its divisors is an integer number (53226366294792).

Almost surely, 2^{204034404130013} is an apocalyptic number.

204034404130013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

204034404130013 is a deficient number, since it is larger than the sum of its proper divisors (8871061049155).

204034404130013 is an equidigital number, since it uses as much as digits as its factorization.

204034404130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8871061049154.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 204034404130013 its reverse (310031404430402), we get a palindrome (514065808560415).

The spelling of 204034404130013 in words is "two hundred four trillion, thirty-four billion, four hundred four million, one hundred thirty thousand, thirteen".