Base | Representation |
---|---|
bin | 10100111010101111… |
… | …11001011111111011 |
3 | 1001222122122101220102 |
4 | 22131113321133323 |
5 | 140444414103311 |
6 | 5054210350015 |
7 | 545203212656 |
oct | 123527713773 |
9 | 31878571812 |
10 | 11230222331 |
11 | 4843193289 |
12 | 2214b8b30b |
13 | 109c833b93 |
14 | 7876bc89d |
15 | 45adb843b |
hex | 29d5f97fb |
11230222331 has 2 divisors, whose sum is σ = 11230222332. Its totient is φ = 11230222330.
The previous prime is 11230222313. The next prime is 11230222439. The reversal of 11230222331 is 13322203211.
Together with previous prime (11230222313) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 11230222331 - 218 = 11229960187 is a prime.
It is a super-2 number, since 2×112302223312 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (11230252331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615111165 + 5615111166.
It is an arithmetic number, because the mean of its divisors is an integer number (5615111166).
Almost surely, 211230222331 is an apocalyptic number.
11230222331 is a deficient number, since it is larger than the sum of its proper divisors (1).
11230222331 is an equidigital number, since it uses as much as digits as its factorization.
11230222331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 11230222331 its reverse (13322203211), we get a palindrome (24552425542).
The spelling of 11230222331 in words is "eleven billion, two hundred thirty million, two hundred twenty-two thousand, three hundred thirty-one".
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