3201206350217 has 2 divisors, whose sum is σ = 3201206350218. Its totient is φ = 3201206350216.

The previous prime is 3201206350213. The next prime is 3201206350229. The reversal of 3201206350217 is 7120536021023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2084642181241 + 1116564168976 = 1443829^2 + 1056676^2 .

It is an emirp because it is prime and its reverse (7120536021023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3201206350217 - 2² = 3201206350213 is a prime.

It is not a weakly prime, because it can be changed into another prime (3201206350213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600603175108 + 1600603175109.

It is an arithmetic number, because the mean of its divisors is an integer number (1600603175109).

Almost surely, 2^{3201206350217} is an apocalyptic number.

It is an amenable number.

3201206350217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201206350217 is an equidigital number, since it uses as much as digits as its factorization.

3201206350217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 3201206350217 in words is "three trillion, two hundred one billion, two hundred six million, three hundred fifty thousand, two hundred seventeen".