204421313315 has 16 divisors (see below), whose sum is σ = 250592538240. Its totient is φ = 160014289920.

The previous prime is 204421313309. The next prime is 204421313351. The reversal of 204421313315 is 513313124402.

It is not a de Polignac number, because 204421313315 - 2⁸ = 204421313059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768191 + ... + 999479.

It is an arithmetic number, because the mean of its divisors is an integer number (15662033640).

Almost surely, 2^204421313315 is an apocalyptic number.

204421313315 is a deficient number, since it is larger than the sum of its proper divisors (46171224925).

204421313315 is a wasteful number, since it uses less digits than its factorization.

204421313315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235102.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 204421313315 its reverse (513313124402), we get a palindrome (717734437717).

The spelling of 204421313315 in words is "two hundred four billion, four hundred twenty-one million, three hundred thirteen thousand, three hundred fifteen".