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30003121201 is a prime number
BaseRepresentation
bin11011111100010100…
…110100110000110001
32212102222011110212011
4123330110310300301
5442421244334301
621441103002521
72111335215364
oct337424646061
985388143764
1030003121201
11117a6a86039
125993b99441
132aa1c18971
141648a1c0db
15ba9043a51
hex6fc534c31

30003121201 has 2 divisors, whose sum is σ = 30003121202. Its totient is φ = 30003121200.

The previous prime is 30003121199. The next prime is 30003121219. The reversal of 30003121201 is 10212130003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17726259600 + 12276861601 = 133140^2 + 110801^2 .

It is an emirp because it is prime and its reverse (10212130003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30003121201 - 21 = 30003121199 is a prime.

Together with 30003121199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30003121241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15001560600 + 15001560601.

It is an arithmetic number, because the mean of its divisors is an integer number (15001560601).

Almost surely, 230003121201 is an apocalyptic number.

It is an amenable number.

30003121201 is a deficient number, since it is larger than the sum of its proper divisors (1).

30003121201 is an equidigital number, since it uses as much as digits as its factorization.

30003121201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30003121201 its reverse (10212130003), we get a palindrome (40215251204).

The spelling of 30003121201 in words is "thirty billion, three million, one hundred twenty-one thousand, two hundred one".