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30321302223 = 310107100741
BaseRepresentation
bin11100001111010010…
…100101101011001111
32220021010212202011110
4130033102211223033
5444044223132343
621532430423103
72122250550012
oct341722455317
986233782143
1030321302223
111194a648163
125a62661a93
132b22b10c64
141678da5379
15bc6e44833
hex70f4a5acf

30321302223 has 4 divisors (see below), whose sum is σ = 40428402968. Its totient is φ = 20214201480.

The previous prime is 30321302203. The next prime is 30321302233. The reversal of 30321302223 is 32220312303.

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

It is not a de Polignac number, because 30321302223 - 25 = 30321302191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30321302223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321302203) 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, 5053550368 + ... + 5053550373.

It is an arithmetic number, because the mean of its divisors is an integer number (10107100742).

Almost surely, 230321302223 is an apocalyptic number.

30321302223 is a deficient number, since it is larger than the sum of its proper divisors (10107100745).

30321302223 is a wasteful number, since it uses less digits than its factorization.

30321302223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10107100744.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30321302223 its reverse (32220312303), we get a palindrome (62541614526).

The spelling of 30321302223 in words is "thirty billion, three hundred twenty-one million, three hundred two thousand, two hundred twenty-three".

Divisors: 1 3 10107100741 30321302223