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30201313217 is a prime number
BaseRepresentation
bin11100001000001000…
…110111011111000001
32212221210002200012012
4130020020313133001
5443323014010332
621512502542305
72116262632565
oct341010673701
985853080165
1030201313217
1111898943699
125a2a437995
132b03cbc04a
14166708d6a5
15bbb6423b2
hex7082377c1

30201313217 has 2 divisors, whose sum is σ = 30201313218. Its totient is φ = 30201313216.

The previous prime is 30201313213. The next prime is 30201313243. The reversal of 30201313217 is 71231310203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22935285136 + 7266028081 = 151444^2 + 85241^2 .

It is an emirp because it is prime and its reverse (71231310203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30201313217 - 22 = 30201313213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30201313192 and 30201313201.

It is not a weakly prime, because it can be changed into another prime (30201313213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15100656608 + 15100656609.

It is an arithmetic number, because the mean of its divisors is an integer number (15100656609).

Almost surely, 230201313217 is an apocalyptic number.

It is an amenable number.

30201313217 is a deficient number, since it is larger than the sum of its proper divisors (1).

30201313217 is an equidigital number, since it uses as much as digits as its factorization.

30201313217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The spelling of 30201313217 in words is "thirty billion, two hundred one million, three hundred thirteen thousand, two hundred seventeen".