Base | Representation |
---|---|
bin | 10010100111011… |
… | …111001100111111 |
3 | 210202201120201201 |
4 | 102213133030333 |
5 | 1114424410221 |
6 | 50554320331 |
7 | 10511600032 |
oct | 2247371477 |
9 | 722646651 |
10 | 312341311 |
11 | 150343717 |
12 | 887290a7 |
13 | 4c92c259 |
14 | 2d6a7019 |
15 | 1c64a891 |
hex | 129df33f |
312341311 has 4 divisors (see below), whose sum is σ = 325921392. Its totient is φ = 298761232.
The previous prime is 312341297. The next prime is 312341327. The reversal of 312341311 is 113143213.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 312341311 - 211 = 312339263 is a prime.
It is a super-3 number, since 3×3123413113 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312341111) 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, 6790006 + ... + 6790051.
It is an arithmetic number, because the mean of its divisors is an integer number (81480348).
Almost surely, 2312341311 is an apocalyptic number.
312341311 is a deficient number, since it is larger than the sum of its proper divisors (13580081).
312341311 is a wasteful number, since it uses less digits than its factorization.
312341311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13580080.
The product of its digits is 216, while the sum is 19.
The square root of 312341311 is about 17673.1805569909. The cubic root of 312341311 is about 678.4895185088.
Adding to 312341311 its reverse (113143213), we get a palindrome (425484524).
The spelling of 312341311 in words is "three hundred twelve million, three hundred forty-one thousand, three hundred eleven".
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