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30710144191 is a prime number
BaseRepresentation
bin11100100110011101…
…111001110010111111
32221021020112222001211
4130212131321302333
51000343244103231
622035200545251
72135011630036
oct344635716277
987236488054
1030710144191
111202a091961
125b50922227
132b8554686c
1416b48a371d
15beb151eb1
hex726779cbf

30710144191 has 2 divisors, whose sum is σ = 30710144192. Its totient is φ = 30710144190.

The previous prime is 30710144183. The next prime is 30710144281. The reversal of 30710144191 is 19144101703.

It is a weak prime.

It is an emirp because it is prime and its reverse (19144101703) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30710144191 - 23 = 30710144183 is a prime.

It is a super-2 number, since 2×307101441912 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30710144161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15355072095 + 15355072096.

It is an arithmetic number, because the mean of its divisors is an integer number (15355072096).

Almost surely, 230710144191 is an apocalyptic number.

30710144191 is a deficient number, since it is larger than the sum of its proper divisors (1).

30710144191 is an equidigital number, since it uses as much as digits as its factorization.

30710144191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

Adding to 30710144191 its reverse (19144101703), we get a palindrome (49854245894).

The spelling of 30710144191 in words is "thirty billion, seven hundred ten million, one hundred forty-four thousand, one hundred ninety-one".