Base | Representation |
---|---|
bin | 1110001001001000010011… |
… | …01001101001100000100001 |
3 | 11002010010120212120212121212 |
4 | 13010210021221221200201 |
5 | 13034020320121300301 |
6 | 150051052455355505 |
7 | 6356621330112530 |
oct | 704441151514041 |
9 | 132103525525555 |
10 | 31100020103201 |
11 | 9a00498632965 |
12 | 35a3485982b95 |
13 | 14479474358ba |
14 | 79736b3a8317 |
15 | 38deb23eb4bb |
hex | 1c4909a69821 |
31100020103201 has 8 divisors (see below), whose sum is σ = 35542923475200. Its totient is φ = 26657127570528.
The previous prime is 31100020103183. The next prime is 31100020103237. The reversal of 31100020103201 is 10230102000113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-31100020103201 is a prime.
It is a super-3 number, since 3×311000201032013 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31100020103281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4841165 + ... + 9254021.
It is an arithmetic number, because the mean of its divisors is an integer number (4442865434400).
Almost surely, 231100020103201 is an apocalyptic number.
It is an amenable number.
31100020103201 is a deficient number, since it is larger than the sum of its proper divisors (4442903371999).
31100020103201 is a wasteful number, since it uses less digits than its factorization.
31100020103201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5419663.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 31100020103201 its reverse (10230102000113), we get a palindrome (41330122103314).
The spelling of 31100020103201 in words is "thirty-one trillion, one hundred billion, twenty million, one hundred three thousand, two hundred one".
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