Base | Representation |
---|---|
bin | 1100111111001010000… |
… | …1001111001100000011 |
3 | 210022220001211121100112 |
4 | 3033302201033030003 |
5 | 12123413201200311 |
6 | 250255111141535 |
7 | 22055632553045 |
oct | 3176241171403 |
9 | 708801747315 |
10 | 223112131331 |
11 | 86691a88591 |
12 | 372a79748ab |
13 | 180686ab82b |
14 | ab2783ba95 |
15 | 5c0c53328b |
hex | 33f284f303 |
223112131331 has 4 divisors (see below), whose sum is σ = 228300785592. Its totient is φ = 217923477072.
The previous prime is 223112131279. The next prime is 223112131349. The reversal of 223112131331 is 133131211322.
223112131331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 223112131331 - 26 = 223112131267 is a prime.
It is a super-3 number, since 3×2231121313313 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 223112131297 and 223112131306.
It is not an unprimeable number, because it can be changed into a prime (223112131351) 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, 2594327066 + ... + 2594327151.
It is an arithmetic number, because the mean of its divisors is an integer number (57075196398).
Almost surely, 2223112131331 is an apocalyptic number.
223112131331 is a deficient number, since it is larger than the sum of its proper divisors (5188654261).
223112131331 is an equidigital number, since it uses as much as digits as its factorization.
223112131331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5188654260.
The product of its digits is 648, while the sum is 23.
Adding to 223112131331 its reverse (133131211322), we get a palindrome (356243342653).
The spelling of 223112131331 in words is "two hundred twenty-three billion, one hundred twelve million, one hundred thirty-one thousand, three hundred thirty-one".
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