Base | Representation |
---|---|
bin | 1011010010101100… |
… | …1100110000100011 |
3 | 21211020210002200210 |
4 | 2310223030300203 |
5 | 22201443121311 |
6 | 1220441345203 |
7 | 135054654543 |
oct | 26453146043 |
9 | 7736702623 |
10 | 3031223331 |
11 | 1316056a54 |
12 | 707198203 |
13 | 393cc7296 |
14 | 20a813323 |
15 | 12b1b03a6 |
hex | b4accc23 |
3031223331 has 4 divisors (see below), whose sum is σ = 4041631112. Its totient is φ = 2020815552.
The previous prime is 3031223323. The next prime is 3031223333. The reversal of 3031223331 is 1333221303.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 3031223331 - 23 = 3031223323 is a prime.
It is a super-3 number, since 3×30312233313 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3031223298 and 3031223307.
It is not an unprimeable number, because it can be changed into a prime (3031223333) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505203886 + ... + 505203891.
It is an arithmetic number, because the mean of its divisors is an integer number (1010407778).
Almost surely, 23031223331 is an apocalyptic number.
3031223331 is a deficient number, since it is larger than the sum of its proper divisors (1010407781).
3031223331 is a wasteful number, since it uses less digits than its factorization.
3031223331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1010407780.
The product of its (nonzero) digits is 972, while the sum is 21.
The square root of 3031223331 is about 55056.5466679486. The cubic root of 3031223331 is about 1447.2358487204.
Adding to 3031223331 its reverse (1333221303), we get a palindrome (4364444634).
The spelling of 3031223331 in words is "three billion, thirty-one million, two hundred twenty-three thousand, three hundred thirty-one".
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