Base | Representation |
---|---|
bin | 10010100010110… |
… | …011001000110001 |
3 | 210200102010202121 |
4 | 102202303020301 |
5 | 1114121042431 |
6 | 50512114241 |
7 | 10465260526 |
oct | 2242631061 |
9 | 720363677 |
10 | 311112241 |
11 | 14a684260 |
12 | 88235981 |
13 | 4c5bb9ab |
14 | 2d46714d |
15 | 1c4a6611 |
hex | 128b3231 |
311112241 has 16 divisors (see below), whose sum is σ = 342812736. Its totient is φ = 280000000.
The previous prime is 311112239. The next prime is 311112247. The reversal of 311112241 is 142211113.
It is a cyclic number.
It is not a de Polignac number, because 311112241 - 21 = 311112239 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (311112247) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775641 + ... + 776041.
It is an arithmetic number, because the mean of its divisors is an integer number (21425796).
Almost surely, 2311112241 is an apocalyptic number.
It is an amenable number.
311112241 is a deficient number, since it is larger than the sum of its proper divisors (31700495).
311112241 is a wasteful number, since it uses less digits than its factorization.
311112241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 944.
The product of its digits is 48, while the sum is 16.
The square root of 311112241 is about 17638.3741030742. The cubic root of 311112241 is about 677.5983915053.
Adding to 311112241 its reverse (142211113), we get a palindrome (453323354).
The spelling of 311112241 in words is "three hundred eleven million, one hundred twelve thousand, two hundred forty-one".
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