Base | Representation |
---|---|
bin | 111101000110101110… |
… | …1011101101111001001 |
3 | 110112201002222001120220 |
4 | 1322031131131233021 |
5 | 4122220404032223 |
6 | 140141021540253 |
7 | 12323545255404 |
oct | 1721535355711 |
9 | 415632861526 |
10 | 131222330313 |
11 | 50718647a78 |
12 | 21522114689 |
13 | c4b31b6cc9 |
14 | 64cb96cd3b |
15 | 36303106e3 |
hex | 1e8d75dbc9 |
131222330313 has 8 divisors (see below), whose sum is σ = 176766850848. Its totient is φ = 86579681664.
The previous prime is 131222330299. The next prime is 131222330357. The reversal of 131222330313 is 313033222131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131222330313 - 210 = 131222329289 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131222330713) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225467631 + ... + 225468212.
It is an arithmetic number, because the mean of its divisors is an integer number (22095856356).
Almost surely, 2131222330313 is an apocalyptic number.
It is an amenable number.
131222330313 is a deficient number, since it is larger than the sum of its proper divisors (45544520535).
131222330313 is an equidigital number, since it uses as much as digits as its factorization.
131222330313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 450935943.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 131222330313 its reverse (313033222131), we get a palindrome (444255552444).
The spelling of 131222330313 in words is "one hundred thirty-one billion, two hundred twenty-two million, three hundred thirty thousand, three hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •