| Base | Representation |
|---|---|
| bin | 1000010011111010… |
| … | …1101010101011100 |
| 3 | 12202111002010100200 |
| 4 | 2010332231111130 |
| 5 | 14032120444012 |
| 6 | 1005214423500 |
| 7 | 106200310641 |
| oct | 20476552534 |
| 9 | 5674063320 |
| 10 | 2231031132 |
| 11 | a453a4790 |
| 12 | 523201b90 |
| 13 | 2972a7a85 |
| 14 | 172437dc8 |
| 15 | d0ceb3dc |
| hex | 84fad55c |
2231031132 has 144 divisors (see below), whose sum is σ = 6417290880. Its totient is φ = 647337600.
The previous prime is 2231031097. The next prime is 2231031139. The reversal of 2231031132 is 2311301322.
It is a super-3 number, since 3×22310311323 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231031139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1503663 + ... + 1505145.
It is an arithmetic number, because the mean of its divisors is an integer number (44564520).
Almost surely, 22231031132 is an apocalyptic number.
2231031132 is a gapful number since it is divisible by the number (22) 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 2231031132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3208645440).
2231031132 is an abundant number, since it is smaller than the sum of its proper divisors (4186259748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231031132 is a wasteful number, since it uses less digits than its factorization.
2231031132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1664 (or 1659 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 2231031132 is about 47233.7922678245. The cubic root of 2231031132 is about 1306.6778928243.
Adding to 2231031132 its reverse (2311301322), we get a palindrome (4542332454).
The spelling of 2231031132 in words is "two billion, two hundred thirty-one million, thirty-one thousand, one hundred thirty-two".
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