Base | Representation |
---|---|
bin | 10010100011001… |
… | …000110110110001 |
3 | 210200120122210102 |
4 | 102203020312301 |
5 | 1114131414301 |
6 | 50514042145 |
7 | 10466111063 |
oct | 2243106661 |
9 | 720518712 |
10 | 311201201 |
11 | 14a735083 |
12 | 88279355 |
13 | 4c62032c |
14 | 2d48b733 |
15 | 1c4c2b6b |
hex | 128c8db1 |
311201201 has 16 divisors (see below), whose sum is σ = 344746368. Its totient is φ = 279417600.
The previous prime is 311201179. The next prime is 311201207. The reversal of 311201201 is 102102113.
It is a cyclic number.
It is not a de Polignac number, because 311201201 - 210 = 311200177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (311201207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191171 + ... + 192791.
It is an arithmetic number, because the mean of its divisors is an integer number (21546648).
Almost surely, 2311201201 is an apocalyptic number.
It is an amenable number.
311201201 is a deficient number, since it is larger than the sum of its proper divisors (33545167).
311201201 is a wasteful number, since it uses less digits than its factorization.
311201201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2152.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 311201201 is about 17640.8956972145. The cubic root of 311201201 is about 677.6629699226.
Adding to 311201201 its reverse (102102113), we get a palindrome (413303314).
The spelling of 311201201 in words is "three hundred eleven million, two hundred one thousand, two hundred one".
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