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30323305321 = 43705193147
BaseRepresentation
bin11100001111011010…
…001110101101101001
32220021021122111220021
4130033122032231221
5444100231232241
621532541400441
72122303561651
oct341732165551
986237574807
1030323305321
1111950796111
125a63269121
132b2336291a
141679367361
15bc71dd0d1
hex70f68eb69

30323305321 has 4 divisors (see below), whose sum is σ = 31028498512. Its totient is φ = 29618112132.

The previous prime is 30323305301. The next prime is 30323305367. The reversal of 30323305321 is 12350332303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30323305321 - 25 = 30323305289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30323305301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352596531 + ... + 352596616.

It is an arithmetic number, because the mean of its divisors is an integer number (7757124628).

Almost surely, 230323305321 is an apocalyptic number.

It is an amenable number.

30323305321 is a deficient number, since it is larger than the sum of its proper divisors (705193191).

30323305321 is an equidigital number, since it uses as much as digits as its factorization.

30323305321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705193190.

The product of its (nonzero) digits is 4860, while the sum is 25.

Adding to 30323305321 its reverse (12350332303), we get a palindrome (42673637624).

The spelling of 30323305321 in words is "thirty billion, three hundred twenty-three million, three hundred five thousand, three hundred twenty-one".

Divisors: 1 43 705193147 30323305321