Base | Representation |
---|---|
bin | 111011001001… |
… | …1110110101101 |
3 | 2011100200122102 |
4 | 1312103312231 |
5 | 30414424232 |
6 | 3024424445 |
7 | 524421515 |
oct | 166236655 |
9 | 64320572 |
10 | 31014317 |
11 | 16563574 |
12 | a478125 |
13 | 656b889 |
14 | 4194845 |
15 | 2ac9662 |
hex | 1d93dad |
31014317 has 4 divisors (see below), whose sum is σ = 31070556. Its totient is φ = 30958080.
The previous prime is 31014299. The next prime is 31014323. The reversal of 31014317 is 71341013.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 7695076 + 23319241 = 2774^2 + 4829^2 .
It is a cyclic number.
It is not a de Polignac number, because 31014317 - 210 = 31013293 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 (31014337) 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, 27284 + ... + 28397.
It is an arithmetic number, because the mean of its divisors is an integer number (7767639).
Almost surely, 231014317 is an apocalyptic number.
It is an amenable number.
31014317 is a deficient number, since it is larger than the sum of its proper divisors (56239).
31014317 is an equidigital number, since it uses as much as digits as its factorization.
31014317 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56238.
The product of its (nonzero) digits is 252, while the sum is 20.
The square root of 31014317 is about 5569.0499189718. The cubic root of 31014317 is about 314.1864181691.
The spelling of 31014317 in words is "thirty-one million, fourteen thousand, three hundred seventeen".
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