Base | Representation |
---|---|
bin | 111011001001… |
… | …1110011110001 |
3 | 2011100200101110 |
4 | 1312103303301 |
5 | 30414423004 |
6 | 3024423533 |
7 | 524421126 |
oct | 166236361 |
9 | 64320343 |
10 | 31014129 |
11 | 16563413 |
12 | a477ba9 |
13 | 656b773 |
14 | 419474d |
15 | 2ac9589 |
hex | 1d93cf1 |
31014129 has 4 divisors (see below), whose sum is σ = 41352176. Its totient is φ = 20676084.
The previous prime is 31014127. The next prime is 31014131. The reversal of 31014129 is 92141013.
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.
It is an interprime number because it is at equal distance from previous prime (31014127) and next prime (31014131).
It is not a de Polignac number, because 31014129 - 21 = 31014127 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (31014121) 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, 5169019 + ... + 5169024.
It is an arithmetic number, because the mean of its divisors is an integer number (10338044).
Almost surely, 231014129 is an apocalyptic number.
It is an amenable number.
31014129 is a deficient number, since it is larger than the sum of its proper divisors (10338047).
31014129 is a wasteful number, since it uses less digits than its factorization.
31014129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10338046.
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 31014129 is about 5569.0330399451. The cubic root of 31014129 is about 314.1857833314.
The spelling of 31014129 in words is "thirty-one million, fourteen thousand, one hundred twenty-nine".
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