Base | Representation |
---|---|
bin | 111101000011111111… |
… | …0001000010111000011 |
3 | 110112110200122220000000 |
4 | 1322013332020113003 |
5 | 4122023314331321 |
6 | 140123531531043 |
7 | 12321346365111 |
oct | 1720776102703 |
9 | 415420586000 |
10 | 131130230211 |
11 | 50680661892 |
12 | 214b72b9a83 |
13 | c49a0ab1c6 |
14 | 64bd636ab1 |
15 | 36271bb826 |
hex | 1e87f885c3 |
131130230211 has 128 divisors (see below), whose sum is σ = 211591802880. Its totient is φ = 81062467200.
The previous prime is 131130230141. The next prime is 131130230219. The reversal of 131130230211 is 112032031131.
131130230211 is a `hidden beast` number, since 1 + 311 + 302 + 30 + 21 + 1 = 666.
It is not a de Polignac number, because 131130230211 - 210 = 131130229187 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131130230219) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 269261010 + ... + 269261496.
It is an arithmetic number, because the mean of its divisors is an integer number (1653060960).
Almost surely, 2131130230211 is an apocalyptic number.
131130230211 is a deficient number, since it is larger than the sum of its proper divisors (80461572669).
131130230211 is an equidigital number, since it uses as much as digits as its factorization.
131130230211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 685 (or 667 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 131130230211 its reverse (112032031131), we get a palindrome (243162261342).
The spelling of 131130230211 in words is "one hundred thirty-one billion, one hundred thirty million, two hundred thirty thousand, two hundred eleven".
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