204817304371 has 2 divisors, whose sum is σ = 204817304372. Its totient is φ = 204817304370.

The previous prime is 204817304311. The next prime is 204817304411. The reversal of 204817304371 is 173403718402.

It is an a-pointer prime, because the next prime (204817304411) can be obtained adding 204817304371 to its sum of digits (40).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204817304371 - 2¹⁷ = 204817173299 is a prime.

It is not a weakly prime, because it can be changed into another prime (204817304311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102408652185 + 102408652186.

It is an arithmetic number, because the mean of its divisors is an integer number (102408652186).

Almost surely, 2^204817304371 is an apocalyptic number.

204817304371 is a deficient number, since it is larger than the sum of its proper divisors (1).

204817304371 is an equidigital number, since it uses as much as digits as its factorization.

204817304371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 204817304371 in words is "two hundred four billion, eight hundred seventeen million, three hundred four thousand, three hundred seventy-one".