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30223212331 = 132324862487
BaseRepresentation
bin11100001001011100…
…011001111100101011
32220000022022021010111
4130021130121330223
5443344120243311
621515004155151
72116650031444
oct341134317453
986008267114
1030223212331
11118aa240834
125a35838ab7
132b086b89c0
141669d502cb
15bbd51ad21
hex709719f2b

30223212331 has 4 divisors (see below), whose sum is σ = 32548074832. Its totient is φ = 27898349832.

The previous prime is 30223212269. The next prime is 30223212379. The reversal of 30223212331 is 13321232203.

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

It is a cyclic number.

It is not a de Polignac number, because 30223212331 - 27 = 30223212203 is a prime.

It is a super-2 number, since 2×302232123312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30223222331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1162431231 + ... + 1162431256.

It is an arithmetic number, because the mean of its divisors is an integer number (8137018708).

Almost surely, 230223212331 is an apocalyptic number.

30223212331 is a deficient number, since it is larger than the sum of its proper divisors (2324862501).

30223212331 is a wasteful number, since it uses less digits than its factorization.

30223212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324862500.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30223212331 its reverse (13321232203), we get a palindrome (43544444534).

The spelling of 30223212331 in words is "thirty billion, two hundred twenty-three million, two hundred twelve thousand, three hundred thirty-one".

Divisors: 1 13 2324862487 30223212331