Base | Representation |
---|---|
bin | 10010100011111… |
… | …110110110000101 |
3 | 210200222220010210 |
4 | 102203332312011 |
5 | 1114211003331 |
6 | 50522510033 |
7 | 10501021566 |
oct | 2243766605 |
9 | 720886123 |
10 | 311422341 |
11 | 14a87623a |
12 | 88365319 |
13 | 4c699b99 |
14 | 2d50816d |
15 | 1c518446 |
hex | 128fed85 |
311422341 has 4 divisors (see below), whose sum is σ = 415229792. Its totient is φ = 207614892.
The previous prime is 311422327. The next prime is 311422379. The reversal of 311422341 is 143224113.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 143224113 = 3 ⋅47741371.
It is not a de Polignac number, because 311422341 - 223 = 303033733 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (311422381) 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, 51903721 + ... + 51903726.
It is an arithmetic number, because the mean of its divisors is an integer number (103807448).
Almost surely, 2311422341 is an apocalyptic number.
It is an amenable number.
311422341 is a deficient number, since it is larger than the sum of its proper divisors (103807451).
311422341 is a wasteful number, since it uses less digits than its factorization.
311422341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103807450.
The product of its digits is 576, while the sum is 21.
The square root of 311422341 is about 17647.1624064607. The cubic root of 311422341 is about 677.8234479951.
Adding to 311422341 its reverse (143224113), we get a palindrome (454646454).
The spelling of 311422341 in words is "three hundred eleven million, four hundred twenty-two thousand, three hundred forty-one".
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