Base | Representation |
---|---|
bin | 11100111000010101… |
… | …111000011000001000 |
3 | 2222001010211210120211 |
4 | 130320111320120020 |
5 | 1002002031443422 |
6 | 22125032330504 |
7 | 2145312625654 |
oct | 347025703010 |
9 | 88033753524 |
10 | 31010031112 |
11 | 12173399395 |
12 | 6015243a34 |
13 | 2c02705048 |
14 | 1702647a64 |
15 | c1763c577 |
hex | 738578608 |
31010031112 has 16 divisors (see below), whose sum is σ = 59380911360. Its totient is φ = 15175121424.
The previous prime is 31010031053. The next prime is 31010031133. The reversal of 31010031112 is 21113001013.
It is a junction number, because it is equal to n+sod(n) for n = 31010031092 and 31010031101.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41236368 + ... + 41237119.
It is an arithmetic number, because the mean of its divisors is an integer number (3711306960).
Almost surely, 231010031112 is an apocalyptic number.
It is an amenable number.
31010031112 is a deficient number, since it is larger than the sum of its proper divisors (28370880248).
31010031112 is a wasteful number, since it uses less digits than its factorization.
31010031112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82473540 (or 82473536 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 31010031112 its reverse (21113001013), we get a palindrome (52123032125).
The spelling of 31010031112 in words is "thirty-one billion, ten million, thirty-one thousand, one hundred twelve".
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