Base | Representation |
---|---|
bin | 10010101011010… |
… | …011010011001011 |
3 | 210211121101020002 |
4 | 102223103103023 |
5 | 1120203404011 |
6 | 51031553215 |
7 | 10523232665 |
oct | 2253232313 |
9 | 724541202 |
10 | 313341131 |
11 | 150966914 |
12 | 88b2b80b |
13 | 4cbbc36c |
14 | 2d887535 |
15 | 1c796c3b |
hex | 12ad34cb |
313341131 has 4 divisors (see below), whose sum is σ = 315808512. Its totient is φ = 310873752.
The previous prime is 313341113. The next prime is 313341139. The reversal of 313341131 is 131143313.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131143313 = 7 ⋅18734759.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-313341131 is a prime.
It is a super-2 number, since 2×3133411312 = 196365328752718322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (313341139) 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, 1233500 + ... + 1233753.
It is an arithmetic number, because the mean of its divisors is an integer number (78952128).
Almost surely, 2313341131 is an apocalyptic number.
313341131 is a deficient number, since it is larger than the sum of its proper divisors (2467381).
313341131 is a wasteful number, since it uses less digits than its factorization.
313341131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2467380.
The product of its digits is 324, while the sum is 20.
The square root of 313341131 is about 17701.4443196028. Note that the first 3 decimals coincide. The cubic root of 313341131 is about 679.2127069161.
Adding to 313341131 its reverse (131143313), we get a palindrome (444484444).
The spelling of 313341131 in words is "three hundred thirteen million, three hundred forty-one thousand, one hundred thirty-one".
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