| Base | Representation |
|---|---|
| bin | 101101010001101000100… |
| … | …010100101101110111100 |
| 3 | 102000102211120002100002000 |
| 4 | 231101220202211232330 |
| 5 | 401433430404021340 |
| 6 | 10341152143502300 |
| 7 | 440533111342416 |
| oct | 55215042455674 |
| 9 | 12012746070060 |
| 10 | 3111310220220 |
| 11 | a9a554564714 |
| 12 | 422bab5b7990 |
| 13 | 19751a602937 |
| 14 | aa8340db9b6 |
| 15 | 55deb899d30 |
| hex | 2d4688a5bbc |
3111310220220 has 192 divisors, whose sum is σ = 9770811200640. Its totient is φ = 821902104576.
The previous prime is 3111310220209. The next prime is 3111310220243. The reversal of 3111310220220 is 220220131113.
3111310220220 is a `hidden beast` number, since 3 + 111 + 310 + 2 + 20 + 220 = 666.
3111310220220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 3111310220193 and 3111310220202.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25817224 + ... + 25937456.
It is an arithmetic number, because the mean of its divisors is an integer number (50889641670).
Almost surely, 23111310220220 is an apocalyptic number.
3111310220220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3111310220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4885405600320).
3111310220220 is an abundant number, since it is smaller than the sum of its proper divisors (6659500980420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3111310220220 is a wasteful number, since it uses less digits than its factorization.
3111310220220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120701 (or 120693 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 3111310220220 its reverse (220220131113), we get a palindrome (3331530351333).
The spelling of 3111310220220 in words is "three trillion, one hundred eleven billion, three hundred ten million, two hundred twenty thousand, two hundred twenty".
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