Base | Representation |
---|---|
bin | 11011011100010… |
… | …11111100000011 |
3 | 121001011221120121 |
4 | 31232023330003 |
5 | 432413230311 |
6 | 34502121111 |
7 | 5463523030 |
oct | 1556137403 |
9 | 531157517 |
10 | 230211331 |
11 | 108a481a9 |
12 | 65120197 |
13 | 3890452c |
14 | 22808387 |
15 | 15325b71 |
hex | db8bf03 |
230211331 has 12 divisors (see below), whose sum is σ = 279487888. Its totient is φ = 185715072.
The previous prime is 230211329. The next prime is 230211343. The reversal of 230211331 is 133112032.
It is not a de Polignac number, because 230211331 - 21 = 230211329 is a prime.
It is a super-2 number, since 2×2302113312 = 105994513841583122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (230211031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54876 + ... + 58921.
Almost surely, 2230211331 is an apocalyptic number.
230211331 is a deficient number, since it is larger than the sum of its proper divisors (49276557).
230211331 is a wasteful number, since it uses less digits than its factorization.
230211331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113838 (or 113821 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 230211331 is about 15172.7166651197. The cubic root of 230211331 is about 612.8801636043.
Adding to 230211331 its reverse (133112032), we get a palindrome (363323363).
The spelling of 230211331 in words is "two hundred thirty million, two hundred eleven thousand, three hundred thirty-one".
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