Base | Representation |
---|---|
bin | 11011011011000… |
… | …00011011101011 |
3 | 121000211220010121 |
4 | 31231200123223 |
5 | 432342030011 |
6 | 34454224111 |
7 | 5462151346 |
oct | 1555403353 |
9 | 530756117 |
10 | 230033131 |
11 | 108936329 |
12 | 65055037 |
13 | 388713a3 |
14 | 2279d45d |
15 | 152dce71 |
hex | db606eb |
230033131 has 2 divisors, whose sum is σ = 230033132. Its totient is φ = 230033130.
The previous prime is 230033123. The next prime is 230033161. The reversal of 230033131 is 131330032.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 230033131 - 23 = 230033123 is a prime.
It is a super-2 number, since 2×2300331312 = 105830482715326322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (230033161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115016565 + 115016566.
It is an arithmetic number, because the mean of its divisors is an integer number (115016566).
Almost surely, 2230033131 is an apocalyptic number.
230033131 is a deficient number, since it is larger than the sum of its proper divisors (1).
230033131 is an equidigital number, since it uses as much as digits as its factorization.
230033131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 162, while the sum is 16.
The square root of 230033131 is about 15166.8431454934. The cubic root of 230033131 is about 612.7219851212.
Adding to 230033131 its reverse (131330032), we get a palindrome (361363163).
The spelling of 230033131 in words is "two hundred thirty million, thirty-three thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •