Base | Representation |
---|---|
bin | 11101001001101001… |
… | …001101001111111011 |
3 | 2222210101001111101011 |
4 | 131021221031033323 |
5 | 1003100334410021 |
6 | 22213522134351 |
7 | 2155436150065 |
oct | 351151151773 |
9 | 88711044334 |
10 | 31300310011 |
11 | 12302233203 |
12 | 60964b13b7 |
13 | 2c4a8ab1c9 |
14 | 172d00a735 |
15 | c32d7ade1 |
hex | 749a4d3fb |
31300310011 has 16 divisors (see below), whose sum is σ = 32503252320. Its totient is φ = 30122360320.
The previous prime is 31300309991. The next prime is 31300310023. The reversal of 31300310011 is 11001300313.
It is a happy number.
It is not a de Polignac number, because 31300310011 - 211 = 31300307963 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31300309973 and 31300310000.
It is not an unprimeable number, because it can be changed into a prime (31300380011) 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, 1430691 + ... + 1452403.
It is an arithmetic number, because the mean of its divisors is an integer number (2031453270).
Almost surely, 231300310011 is an apocalyptic number.
31300310011 is a deficient number, since it is larger than the sum of its proper divisors (1202942309).
31300310011 is a wasteful number, since it uses less digits than its factorization.
31300310011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22286.
The product of its (nonzero) digits is 27, while the sum is 13.
Adding to 31300310011 its reverse (11001300313), we get a palindrome (42301610324).
The spelling of 31300310011 in words is "thirty-one billion, three hundred million, three hundred ten thousand, eleven".
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