Base | Representation |
---|---|
bin | 111101000011001001… |
… | …1010001111110110011 |
3 | 110112101201221211111121 |
4 | 1322012103101332303 |
5 | 4121444132021321 |
6 | 140121051323111 |
7 | 12320556325234 |
oct | 1720623217663 |
9 | 415351854447 |
10 | 131102220211 |
11 | 50666870526 |
12 | 214a9a50497 |
13 | c494351c41 |
14 | 64b9a2508b |
15 | 36249d7441 |
hex | 1e864d1fb3 |
131102220211 has 8 divisors (see below), whose sum is σ = 133338351600. Its totient is φ = 128866557600.
The previous prime is 131102220203. The next prime is 131102220229. The reversal of 131102220211 is 112022201131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131102220211 - 23 = 131102220203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131102227211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471945 + ... + 696373.
It is an arithmetic number, because the mean of its divisors is an integer number (16667293950).
Almost surely, 2131102220211 is an apocalyptic number.
131102220211 is a deficient number, since it is larger than the sum of its proper divisors (2236131389).
131102220211 is an equidigital number, since it uses as much as digits as its factorization.
131102220211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 234389.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 131102220211 its reverse (112022201131), we get a palindrome (243124421342).
The spelling of 131102220211 in words is "one hundred thirty-one billion, one hundred two million, two hundred twenty thousand, two hundred eleven".
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