Base | Representation |
---|---|
bin | 1110001001001100011010… |
… | …11000001100101010010111 |
3 | 11002010100021220010102021001 |
4 | 13010212031120030222113 |
5 | 13034034331402333421 |
6 | 150052100044004131 |
7 | 6360030154004452 |
oct | 704461530145227 |
9 | 132110256112231 |
10 | 31102230121111 |
11 | 9a01422085046 |
12 | 35a39a1b30647 |
13 | 1447c0a263cc6 |
14 | 7974daad2499 |
15 | 38e091446691 |
hex | 1c498d60ca97 |
31102230121111 has 8 divisors (see below), whose sum is σ = 31864142366784. Its totient is φ = 30346802235360.
The previous prime is 31102230121087. The next prime is 31102230121163. The reversal of 31102230121111 is 11112103220113.
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 31102230121111 - 211 = 31102230119063 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31102230421111) 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, 1621080271 + ... + 1621099456.
It is an arithmetic number, because the mean of its divisors is an integer number (3983017795848).
Almost surely, 231102230121111 is an apocalyptic number.
31102230121111 is a deficient number, since it is larger than the sum of its proper divisors (761912245673).
31102230121111 is a wasteful number, since it uses less digits than its factorization.
31102230121111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3242179961.
The product of its (nonzero) digits is 72, while the sum is 19.
Adding to 31102230121111 its reverse (11112103220113), we get a palindrome (42214333341224).
The spelling of 31102230121111 in words is "thirty-one trillion, one hundred two billion, two hundred thirty million, one hundred twenty-one thousand, one hundred eleven".
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