Base | Representation |
---|---|
bin | 1000100111100001… |
… | …0010001101001111 |
3 | 12222012202102102212 |
4 | 2021320102031033 |
5 | 14214141430411 |
6 | 1021312341035 |
7 | 111216105131 |
oct | 21170221517 |
9 | 5865672385 |
10 | 2313233231 |
11 | a8783a401 |
12 | 54684477b |
13 | 2ab32957a |
14 | 17d315051 |
15 | d813768b |
hex | 89e1234f |
2313233231 has 4 divisors (see below), whose sum is σ = 2449305792. Its totient is φ = 2177160672.
The previous prime is 2313233213. The next prime is 2313233233. The reversal of 2313233231 is 1323323132.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2313233231 is a prime.
It is a super-2 number, since 2×23132332312 = 10702095962005398722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2313233197 and 2313233206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2313233233) 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, 68036255 + ... + 68036288.
It is an arithmetic number, because the mean of its divisors is an integer number (612326448).
Almost surely, 22313233231 is an apocalyptic number.
2313233231 is a deficient number, since it is larger than the sum of its proper divisors (136072561).
2313233231 is a wasteful number, since it uses less digits than its factorization.
2313233231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136072560.
The product of its digits is 1944, while the sum is 23.
The square root of 2313233231 is about 48096.0833228653. The cubic root of 2313233231 is about 1322.5328683957.
Adding to 2313233231 its reverse (1323323132), we get a palindrome (3636556363).
The spelling of 2313233231 in words is "two billion, three hundred thirteen million, two hundred thirty-three thousand, two hundred thirty-one".
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