Base | Representation |
---|---|
bin | 10010100011111… |
… | …110100110011101 |
3 | 210200222211202202 |
4 | 102203332212131 |
5 | 1114210440331 |
6 | 50522501245 |
7 | 10501015640 |
oct | 2243764635 |
9 | 720884682 |
10 | 311421341 |
11 | 14a875510 |
12 | 88364825 |
13 | 4c6995aa |
14 | 2d507a57 |
15 | 1c517ecb |
hex | 128fe99d |
311421341 has 32 divisors (see below), whose sum is σ = 401207040. Its totient is φ = 234662400.
The previous prime is 311421337. The next prime is 311421347. The reversal of 311421341 is 143124113.
It is not a de Polignac number, because 311421341 - 22 = 311421337 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (311421347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 800375 + ... + 800763.
It is an arithmetic number, because the mean of its divisors is an integer number (12537720).
Almost surely, 2311421341 is an apocalyptic number.
It is an amenable number.
311421341 is a deficient number, since it is larger than the sum of its proper divisors (89785699).
311421341 is a wasteful number, since it uses less digits than its factorization.
311421341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 725.
The product of its digits is 288, while the sum is 20.
The square root of 311421341 is about 17647.1340732709. The cubic root of 311421341 is about 677.8227224807.
Adding to 311421341 its reverse (143124113), we get a palindrome (454545454).
The spelling of 311421341 in words is "three hundred eleven million, four hundred twenty-one thousand, three hundred forty-one".
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