Base | Representation |
---|---|
bin | 1001000011100001100… |
… | …11010000101100011110 |
3 | 1002202002012020021110201 |
4 | 10201300303100230132 |
5 | 20044143303144410 |
6 | 354533050254114 |
7 | 31323044323462 |
oct | 4416063205436 |
9 | 1082065207421 |
10 | 311130131230 |
11 | 10aa49936666 |
12 | 50370a2733a |
13 | 234549b9689 |
14 | 110b74084a2 |
15 | 815e8a583a |
hex | 4870cd0b1e |
311130131230 has 16 divisors (see below), whose sum is σ = 584383551264. Its totient is φ = 119041093600.
The previous prime is 311130131203. The next prime is 311130131239. The reversal of 311130131230 is 32131031113.
It is a junction number, because it is equal to n+sod(n) for n = 311130131198 and 311130131207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (311130131239) 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, 676369621 + ... + 676370080.
It is an arithmetic number, because the mean of its divisors is an integer number (36523971954).
Almost surely, 2311130131230 is an apocalyptic number.
311130131230 is a deficient number, since it is larger than the sum of its proper divisors (273253420034).
311130131230 is a wasteful number, since it uses less digits than its factorization.
311130131230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1352739731.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 311130131230 its reverse (32131031113), we get a palindrome (343261162343).
The spelling of 311130131230 in words is "three hundred eleven billion, one hundred thirty million, one hundred thirty-one thousand, two hundred thirty".
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