Search a number
-
+
1030305511 is a prime number
BaseRepresentation
bin111101011010010…
…011011011100111
32122210200221110101
4331122103123213
54102224234021
6250123004531
734350311104
oct7532233347
92583627411
101030305511
11489642864
12249069747
131355bb241
149ab99aab
15606baa91
hex3d6936e7

1030305511 has 2 divisors, whose sum is σ = 1030305512. Its totient is φ = 1030305510.

The previous prime is 1030305509. The next prime is 1030305517. The reversal of 1030305511 is 1155030301.

It is a weak prime.

It is an emirp because it is prime and its reverse (1155030301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1030305511 - 21 = 1030305509 is a prime.

It is a super-2 number, since 2×10303055112 = 2123058891993942242, which contains 22 as substring.

Together with 1030305509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030305517) 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, 515152755 + 515152756.

It is an arithmetic number, because the mean of its divisors is an integer number (515152756).

Almost surely, 21030305511 is an apocalyptic number.

1030305511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030305511 is an equidigital number, since it uses as much as digits as its factorization.

1030305511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 1030305511 is about 32098.3724042201. The cubic root of 1030305511 is about 1010.0014740363.

Adding to 1030305511 its reverse (1155030301), we get a palindrome (2185335812).

The spelling of 1030305511 in words is "one billion, thirty million, three hundred five thousand, five hundred eleven".