Base | Representation |
---|---|
bin | 10100100011000000… |
… | …10100011101100011 |
3 | 1001110202222002222122 |
4 | 22101200110131203 |
5 | 140042430301311 |
6 | 5022334454455 |
7 | 540234555053 |
oct | 122140243543 |
9 | 31422862878 |
10 | 11031103331 |
11 | 4750852226 |
12 | 217a36442b |
13 | 106a4c78a1 |
14 | 769089563 |
15 | 4486850db |
hex | 291814763 |
11031103331 has 2 divisors, whose sum is σ = 11031103332. Its totient is φ = 11031103330.
The previous prime is 11031103289. The next prime is 11031103339. The reversal of 11031103331 is 13330113011.
It is a strong prime.
It is an emirp because it is prime and its reverse (13330113011) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 11031103331 - 214 = 11031086947 is a prime.
It is a super-2 number, since 2×110311033312 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (11031103339) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515551665 + 5515551666.
It is an arithmetic number, because the mean of its divisors is an integer number (5515551666).
Almost surely, 211031103331 is an apocalyptic number.
11031103331 is a deficient number, since it is larger than the sum of its proper divisors (1).
11031103331 is an equidigital number, since it uses as much as digits as its factorization.
11031103331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 81, while the sum is 17.
Adding to 11031103331 its reverse (13330113011), we get a palindrome (24361216342).
The spelling of 11031103331 in words is "eleven billion, thirty-one million, one hundred three thousand, three hundred thirty-one".
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