Search a number
-
+
30073165231 is a prime number
BaseRepresentation
bin11100000000100000…
…000001010110101111
32212121211222002012111
4130000200001112233
5443042212241411
621452044144451
72113145454364
oct340040012657
985554862174
1030073165231
111183257716a
1259b3538127
132ab35a1535
14165405246b
15bb027c721
hex7008015af

30073165231 has 2 divisors, whose sum is σ = 30073165232. Its totient is φ = 30073165230.

The previous prime is 30073165201. The next prime is 30073165267. The reversal of 30073165231 is 13256137003.

It is a weak prime.

It is an emirp because it is prime and its reverse (13256137003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30073165231 - 27 = 30073165103 is a prime.

It is a super-2 number, since 2×300731652312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30073165193 and 30073165202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30073165201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15036582615 + 15036582616.

It is an arithmetic number, because the mean of its divisors is an integer number (15036582616).

Almost surely, 230073165231 is an apocalyptic number.

30073165231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30073165231 is an equidigital number, since it uses as much as digits as its factorization.

30073165231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The spelling of 30073165231 in words is "thirty billion, seventy-three million, one hundred sixty-five thousand, two hundred thirty-one".