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30323313223 = 7388406161
BaseRepresentation
bin11100001111011010…
…010000101001000111
32220021021122220201221
4130033122100221013
5444100232010343
621532541501211
72122303624000
oct341732205107
986237586657
1030323313223
11119507a1045
125a63271807
132b233663b8
14167936a1a7
15bc71e05ed
hex70f690a47

30323313223 has 8 divisors (see below), whose sum is σ = 35362464800. Its totient is φ = 25991411040.

The previous prime is 30323313221. The next prime is 30323313227. The reversal of 30323313223 is 32231332303.

It is not a de Polignac number, because 30323313223 - 21 = 30323313221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30323313221) 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 in 7 ways as a sum of consecutive naturals, for example, 44202738 + ... + 44203423.

It is an arithmetic number, because the mean of its divisors is an integer number (4420308100).

Almost surely, 230323313223 is an apocalyptic number.

30323313223 is a deficient number, since it is larger than the sum of its proper divisors (5039151577).

30323313223 is an frugal number, since it uses more digits than its factorization.

30323313223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88406182 (or 88406168 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 30323313223 its reverse (32231332303), we get a palindrome (62554645526).

The spelling of 30323313223 in words is "thirty billion, three hundred twenty-three million, three hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 7 49 343 88406161 618843127 4331901889 30323313223