Base | Representation |
---|---|
bin | 111011110001… |
… | …0000100111001 |
3 | 2011221222010221 |
4 | 1313202010321 |
5 | 31010202323 |
6 | 3035340041 |
7 | 530224564 |
oct | 167420471 |
9 | 64858127 |
10 | 31334713 |
11 | 16762263 |
12 | a5b1621 |
13 | 6651667 |
14 | 42394db |
15 | 2b3e55d |
hex | 1de2139 |
31334713 has 8 divisors (see below), whose sum is σ = 32011848. Its totient is φ = 30660864.
The previous prime is 31334687. The next prime is 31334729. The reversal of 31334713 is 31743313.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 15077689 + 16257024 = 3883^2 + 4032^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31334713 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31334773) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30931 + ... + 31927.
It is an arithmetic number, because the mean of its divisors is an integer number (4001481).
Almost surely, 231334713 is an apocalyptic number.
It is an amenable number.
31334713 is a deficient number, since it is larger than the sum of its proper divisors (677135).
31334713 is an equidigital number, since it uses as much as digits as its factorization.
31334713 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1643.
The product of its digits is 2268, while the sum is 25.
The square root of 31334713 is about 5597.7417768239. The cubic root of 31334713 is about 315.2646235232.
The spelling of 31334713 in words is "thirty-one million, three hundred thirty-four thousand, seven hundred thirteen".
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