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33530430313 is a prime number
BaseRepresentation
bin11111001110100100…
…011100001101101001
310012112210102100022101
4133032210130031221
51022132242232223
623223105253401
72264625645412
oct371644341551
9105483370271
1033530430313
1113247065636
1265b9334261
133214927513
1418a1288809
15d13a474ad
hex7ce91c369

33530430313 has 2 divisors, whose sum is σ = 33530430314. Its totient is φ = 33530430312.

The previous prime is 33530430289. The next prime is 33530430517. The reversal of 33530430313 is 31303403533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21751235289 + 11779195024 = 147483^2 + 108532^2 .

It is an emirp because it is prime and its reverse (31303403533) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33530430313 is a prime.

It is a super-2 number, since 2×335304303132 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33530430613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16765215156 + 16765215157.

It is an arithmetic number, because the mean of its divisors is an integer number (16765215157).

Almost surely, 233530430313 is an apocalyptic number.

It is an amenable number.

33530430313 is a deficient number, since it is larger than the sum of its proper divisors (1).

33530430313 is an equidigital number, since it uses as much as digits as its factorization.

33530430313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 28.

Adding to 33530430313 its reverse (31303403533), we get a palindrome (64833833846).

The spelling of 33530430313 in words is "thirty-three billion, five hundred thirty million, four hundred thirty thousand, three hundred thirteen".