Base | Representation |
---|---|
bin | 1000001111111011… |
… | …1100010110100111 |
3 | 12201022121212201122 |
4 | 2003332330112213 |
5 | 14013331043211 |
6 | 1003420244155 |
7 | 105605241056 |
oct | 20376742647 |
9 | 5638555648 |
10 | 2214315431 |
11 | a36a17a59 |
12 | 5196a065b |
13 | 2939a4523 |
14 | 17012639d |
15 | ce5e86db |
hex | 83fbc5a7 |
2214315431 has 4 divisors (see below), whose sum is σ = 2274161832. Its totient is φ = 2154469032.
The previous prime is 2214315427. The next prime is 2214315443. The reversal of 2214315431 is 1345134122.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1345134122 = 2 ⋅672567061.
It is a cyclic number.
It is not a de Polignac number, because 2214315431 - 22 = 2214315427 is a prime.
It is a super-3 number, since 3×22143154313 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2214315431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2214315451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29923145 + ... + 29923218.
It is an arithmetic number, because the mean of its divisors is an integer number (568540458).
Almost surely, 22214315431 is an apocalyptic number.
2214315431 is a deficient number, since it is larger than the sum of its proper divisors (59846401).
2214315431 is an equidigital number, since it uses as much as digits as its factorization.
2214315431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59846400.
The product of its digits is 2880, while the sum is 26.
The square root of 2214315431 is about 47056.5131623668. The cubic root of 2214315431 is about 1303.4063390939.
Adding to 2214315431 its reverse (1345134122), we get a palindrome (3559449553).
The spelling of 2214315431 in words is "two billion, two hundred fourteen million, three hundred fifteen thousand, four hundred thirty-one".
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