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13030230313 = 61213610333
BaseRepresentation
bin11000010001010100…
…11000100100101001
31020122002200021122201
430020222120210221
5203141214332223
65552551020201
7640621062442
oct141052304451
936562607581
1013030230313
115587252991
12263796a661
1312c8727769
148b87982c9
15513e23ead
hex308a98929

13030230313 has 4 divisors (see below), whose sum is σ = 13243840708. Its totient is φ = 12816619920.

The previous prime is 13030230293. The next prime is 13030230337. The reversal of 13030230313 is 31303203031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 581919129 + 12448311184 = 24123^2 + 111572^2 .

It is a cyclic number.

It is not a de Polignac number, because 13030230313 - 217 = 13030099241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13030230013) 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 in 3 ways as a sum of consecutive naturals, for example, 106805106 + ... + 106805227.

It is an arithmetic number, because the mean of its divisors is an integer number (3310960177).

Almost surely, 213030230313 is an apocalyptic number.

It is an amenable number.

13030230313 is a deficient number, since it is larger than the sum of its proper divisors (213610395).

13030230313 is an equidigital number, since it uses as much as digits as its factorization.

13030230313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213610394.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 13030230313 its reverse (31303203031), we get a palindrome (44333433344).

The spelling of 13030230313 in words is "thirteen billion, thirty million, two hundred thirty thousand, three hundred thirteen".

Divisors: 1 61 213610333 13030230313