Base | Representation |
---|---|
bin | 111011100010… |
… | …0101011011101 |
3 | 2011201211222020 |
4 | 1313010223131 |
5 | 30442324201 |
6 | 3033010353 |
7 | 526213536 |
oct | 167045335 |
9 | 64654866 |
10 | 31214301 |
11 | 1668a848 |
12 | a5539b9 |
13 | 660b901 |
14 | 420768d |
15 | 2b18a36 |
hex | 1dc4add |
31214301 has 4 divisors (see below), whose sum is σ = 41619072. Its totient is φ = 20809532.
The previous prime is 31214291. The next prime is 31214317. The reversal of 31214301 is 10341213.
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, and also an emirpimes, since its reverse is a distinct semiprime: 10341213 = 3 ⋅3447071.
It is a cyclic number.
It is not a de Polignac number, because 31214301 - 211 = 31212253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31214341) 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, 5202381 + ... + 5202386.
It is an arithmetic number, because the mean of its divisors is an integer number (10404768).
Almost surely, 231214301 is an apocalyptic number.
It is an amenable number.
31214301 is a deficient number, since it is larger than the sum of its proper divisors (10404771).
31214301 is a wasteful number, since it uses less digits than its factorization.
31214301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10404770.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 31214301 is about 5586.9760156994. The cubic root of 31214301 is about 314.8602756482.
Adding to 31214301 its reverse (10341213), we get a palindrome (41555514).
The spelling of 31214301 in words is "thirty-one million, two hundred fourteen thousand, three hundred one".
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