Base | Representation |
---|---|
bin | 1101011001101011010… |
… | …1111111011000111111 |
3 | 211000021012110020212202 |
4 | 3112122311333120333 |
5 | 12233003131024411 |
6 | 253433335422115 |
7 | 22430225104352 |
oct | 3263265773077 |
9 | 730235406782 |
10 | 230231111231 |
11 | 89705507550 |
12 | 38753b2493b |
13 | 18931542284 |
14 | b2010ca299 |
15 | 5ec750083b |
hex | 359ad7f63f |
230231111231 has 8 divisors (see below), whose sum is σ = 265935401424. Its totient is φ = 196989185920.
The previous prime is 230231111219. The next prime is 230231111251. The reversal of 230231111231 is 132111132032.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 230231111231 - 26 = 230231111167 is a prime.
It is a super-2 number, since 2×2302311112312 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230231111251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615591020 + ... + 615591393.
It is an arithmetic number, because the mean of its divisors is an integer number (33241925178).
Almost surely, 2230231111231 is an apocalyptic number.
230231111231 is a deficient number, since it is larger than the sum of its proper divisors (35704290193).
230231111231 is a wasteful number, since it uses less digits than its factorization.
230231111231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1231182441.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 230231111231 its reverse (132111132032), we get a palindrome (362342243263).
The spelling of 230231111231 in words is "two hundred thirty billion, two hundred thirty-one million, one hundred eleven thousand, two hundred thirty-one".
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