Base | Representation |
---|---|
bin | 1110001001011011000101… |
… | …00101100001110111001010 |
3 | 11002011002121111200220112100 |
4 | 13010231202211201313022 |
5 | 13034201442121130442 |
6 | 150055441132254230 |
7 | 6360426221662161 |
oct | 704554245416712 |
9 | 132132544626470 |
10 | 31110102130122 |
11 | 9a047a1682a14 |
12 | 35a541a311376 |
13 | 1448893112bc2 |
14 | 797a463a03d8 |
15 | 38e3a25ad84c |
hex | 1c4b62961dca |
31110102130122 has 24 divisors (see below), whose sum is σ = 69729539258340. Its totient is φ = 10012446662400.
The previous prime is 31110102130091. The next prime is 31110102130171. The reversal of 31110102130122 is 22103120101113.
31110102130122 is a `hidden beast` number, since 311 + 1 + 0 + 10 + 21 + 301 + 22 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 30920728330881 + 189373799241 = 5560641^2 + 435171^2 .
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 = 31110102130095 and 31110102130104.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29798947879 + ... + 29798948922.
Almost surely, 231110102130122 is an apocalyptic number.
31110102130122 is an abundant number, since it is smaller than the sum of its proper divisors (38619437128218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31110102130122 is a wasteful number, since it uses less digits than its factorization.
31110102130122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59597896838 (or 59597896835 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 31110102130122 its reverse (22103120101113), we get a palindrome (53213222231235).
The spelling of 31110102130122 in words is "thirty-one trillion, one hundred ten billion, one hundred two million, one hundred thirty thousand, one hundred twenty-two".
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