204302402003213 has 4 divisors (see below), whose sum is σ = 204302440674588. Its totient is φ = 204302363331840.

The previous prime is 204302402003123. The next prime is 204302402003243. The reversal of 204302402003213 is 312300204203402.

204302402003213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 166347105543844 + 37955296459369 = 12897562^2 + 6160787^2 .

It is a cyclic number.

It is not a de Polignac number, because 204302402003213 - 2⁸ = 204302402002957 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 (204302402003243) 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, 9864806 + ... + 22492647.

It is an arithmetic number, because the mean of its divisors is an integer number (51075610168647).

Almost surely, 2^{204302402003213} is an apocalyptic number.

It is an amenable number.

204302402003213 is a deficient number, since it is larger than the sum of its proper divisors (38671375).

204302402003213 is an equidigital number, since it uses as much as digits as its factorization.

204302402003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38671374.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 204302402003213 its reverse (312300204203402), we get a palindrome (516602606206615).

The spelling of 204302402003213 in words is "two hundred four trillion, three hundred two billion, four hundred two million, three thousand, two hundred thirteen".