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30430232321 is a prime number
BaseRepresentation
bin11100010101110010…
…000111111100000001
32220112201211222011112
4130111302013330001
5444310114413241
621551321253105
72125042464326
oct342562077401
986481758145
1030430232321
11119a6088a35
125a93034195
132b3c560338
14168963cb4d
15bd17b01eb
hex715c87f01

30430232321 has 2 divisors, whose sum is σ = 30430232322. Its totient is φ = 30430232320.

The previous prime is 30430232309. The next prime is 30430232333. The reversal of 30430232321 is 12323203403.

It is a balanced prime because it is at equal distance from previous prime (30430232309) and next prime (30430232333).

It can be written as a sum of positive squares in only one way, i.e., 24781056400 + 5649175921 = 157420^2 + 75161^2 .

It is a cyclic number.

It is not a de Polignac number, because 30430232321 - 230 = 29356490497 is a prime.

It is a super-2 number, since 2×304302323212 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30430232351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15215116160 + 15215116161.

It is an arithmetic number, because the mean of its divisors is an integer number (15215116161).

Almost surely, 230430232321 is an apocalyptic number.

It is an amenable number.

30430232321 is a deficient number, since it is larger than the sum of its proper divisors (1).

30430232321 is an equidigital number, since it uses as much as digits as its factorization.

30430232321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 30430232321 its reverse (12323203403), we get a palindrome (42753435724).

The spelling of 30430232321 in words is "thirty billion, four hundred thirty million, two hundred thirty-two thousand, three hundred twenty-one".