204040313213 has 8 divisors (see below), whose sum is σ = 222611160576. Its totient is φ = 185473087200.

The previous prime is 204040313189. The next prime is 204040313219. The reversal of 204040313213 is 312313040402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204040313213 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 (204040313219) 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, 786848 + ... + 1013513.

It is an arithmetic number, because the mean of its divisors is an integer number (27826395072).

Almost surely, 2^204040313213 is an apocalyptic number.

It is an amenable number.

204040313213 is a deficient number, since it is larger than the sum of its proper divisors (18570847363).

204040313213 is a wasteful number, since it uses less digits than its factorization.

204040313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810675.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 204040313213 its reverse (312313040402), we get a palindrome (516353353615).

The spelling of 204040313213 in words is "two hundred four billion, forty million, three hundred thirteen thousand, two hundred thirteen".