Base | Representation |
---|---|
bin | 101101100100001010001… |
… | …111111100010101000011 |
3 | 102002100011221001212000101 |
4 | 231210022033330111003 |
5 | 402300200444011321 |
6 | 10354242125303231 |
7 | 442136063202301 |
oct | 55441217742503 |
9 | 12070157055011 |
10 | 3131203110211 |
11 | aa7a32586370 |
12 | 426a21704b17 |
13 | 19936aa47767 |
14 | ab7a00a1271 |
15 | 566b3009791 |
hex | 2d90a3fc543 |
3131203110211 has 4 divisors (see below), whose sum is σ = 3415857938424. Its totient is φ = 2846548282000.
The previous prime is 3131203110187. The next prime is 3131203110283. The reversal of 3131203110211 is 1120113021313.
3131203110211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 3131203110211 - 217 = 3131202979139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3131203120211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142327414090 + ... + 142327414111.
It is an arithmetic number, because the mean of its divisors is an integer number (853964484606).
Almost surely, 23131203110211 is an apocalyptic number.
3131203110211 is a deficient number, since it is larger than the sum of its proper divisors (284654828213).
3131203110211 is a wasteful number, since it uses less digits than its factorization.
3131203110211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284654828212.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 3131203110211 its reverse (1120113021313), we get a palindrome (4251316131524).
The spelling of 3131203110211 in words is "three trillion, one hundred thirty-one billion, two hundred three million, one hundred ten thousand, two hundred eleven".
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