Base | Representation |
---|---|
bin | 10001111000100… |
… | …001110010011011 |
3 | 202220120011100010 |
4 | 101320201302123 |
5 | 1103301444011 |
6 | 45434413003 |
7 | 10302136221 |
oct | 2170416233 |
9 | 686504303 |
10 | 300031131 |
11 | 1443a5914 |
12 | 84591163 |
13 | 4a20c01a |
14 | 2bbc0b11 |
15 | 1b5181a6 |
hex | 11e21c9b |
300031131 has 8 divisors (see below), whose sum is σ = 400128064. Its totient is φ = 199977480.
The previous prime is 300031117. The next prime is 300031133. The reversal of 300031131 is 131130003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 300031131 - 211 = 300029083 is a prime.
It is a super-2 number, since 2×3000311312 = 180037359138278322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (300031133) 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, 12600 + ... + 27546.
It is an arithmetic number, because the mean of its divisors is an integer number (50016008).
Almost surely, 2300031131 is an apocalyptic number.
300031131 is a deficient number, since it is larger than the sum of its proper divisors (100096933).
300031131 is a wasteful number, since it uses less digits than its factorization.
300031131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21641.
The product of its (nonzero) digits is 27, while the sum is 12.
The square root of 300031131 is about 17321.4067269376. The cubic root of 300031131 is about 669.4561049670.
Adding to 300031131 its reverse (131130003), we get a palindrome (431161134).
The spelling of 300031131 in words is "three hundred million, thirty-one thousand, one hundred thirty-one".
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