Base | Representation |
---|---|
bin | 1111101001111… |
… | …01100100110011 |
3 | 100011002221221200 |
4 | 13310331210303 |
5 | 232104333321 |
6 | 21010422243 |
7 | 3153144264 |
oct | 764754463 |
9 | 304087850 |
10 | 131324211 |
11 | 68146907 |
12 | 37b91983 |
13 | 21290445 |
14 | 1362696b |
15 | b7e0d26 |
hex | 7d3d933 |
131324211 has 12 divisors (see below), whose sum is σ = 194817792. Its totient is φ = 85183056.
The previous prime is 131324191. The next prime is 131324213. The reversal of 131324211 is 112423131.
131324211 is a `hidden beast` number, since 131 + 324 + 211 = 666.
It is not a de Polignac number, because 131324211 - 213 = 131316019 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131324213) 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 11 ways as a sum of consecutive naturals, for example, 196851 + ... + 197516.
It is an arithmetic number, because the mean of its divisors is an integer number (16234816).
Almost surely, 2131324211 is an apocalyptic number.
131324211 is a deficient number, since it is larger than the sum of its proper divisors (63493581).
131324211 is a wasteful number, since it uses less digits than its factorization.
131324211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 394410 (or 394407 counting only the distinct ones).
The product of its digits is 144, while the sum is 18.
The square root of 131324211 is about 11459.6776132664. The cubic root of 131324211 is about 508.2939416816.
Adding to 131324211 its reverse (112423131), we get a palindrome (243747342).
The spelling of 131324211 in words is "one hundred thirty-one million, three hundred twenty-four thousand, two hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •