Base | Representation |
---|---|
bin | 11011011100010… |
… | …01011111110011 |
3 | 121001011102212020 |
4 | 31232021133303 |
5 | 432412420311 |
6 | 34502002523 |
7 | 5463451623 |
oct | 1556113763 |
9 | 531142766 |
10 | 230201331 |
11 | 108a40738 |
12 | 65116443 |
13 | 388ccb09 |
14 | 22804883 |
15 | 15322c06 |
hex | db897f3 |
230201331 has 4 divisors (see below), whose sum is σ = 306935112. Its totient is φ = 153467552.
The previous prime is 230201327. The next prime is 230201357. The reversal of 230201331 is 133102032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 230201331 - 22 = 230201327 is a prime.
It is a super-2 number, since 2×2302013312 = 105985305588343122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 230201331.
It is not an unprimeable number, because it can be changed into a prime (230201311) 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, 38366886 + ... + 38366891.
It is an arithmetic number, because the mean of its divisors is an integer number (76733778).
Almost surely, 2230201331 is an apocalyptic number.
230201331 is a deficient number, since it is larger than the sum of its proper divisors (76733781).
230201331 is an equidigital number, since it uses as much as digits as its factorization.
230201331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76733780.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 230201331 is about 15172.3871226646. The cubic root of 230201331 is about 612.8712893085.
Adding to 230201331 its reverse (133102032), we get a palindrome (363303363).
The spelling of 230201331 in words is "two hundred thirty million, two hundred one thousand, three hundred thirty-one".
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