Base | Representation |
---|---|
bin | 111011111101… |
… | …0011001001010 |
3 | 2012011000202212 |
4 | 1313322121022 |
5 | 31021344224 |
6 | 3041425122 |
7 | 531121142 |
oct | 167723112 |
9 | 65130685 |
10 | 31434314 |
11 | 1682007a |
12 | a63b1a2 |
13 | 6687ab2 |
14 | 4263922 |
15 | 2b5dd0e |
hex | 1dfa64a |
31434314 has 4 divisors (see below), whose sum is σ = 47151474. Its totient is φ = 15717156.
The previous prime is 31434287. The next prime is 31434329. The reversal of 31434314 is 41343413.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41343413 = 4253 ⋅9721.
It can be written as a sum of positive squares in only one way, i.e., 25755625 + 5678689 = 5075^2 + 2383^2 .
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 31434314.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7858577 + ... + 7858580.
Almost surely, 231434314 is an apocalyptic number.
31434314 is a deficient number, since it is larger than the sum of its proper divisors (15717160).
31434314 is a wasteful number, since it uses less digits than its factorization.
31434314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15717159.
The product of its digits is 1728, while the sum is 23.
The square root of 31434314 is about 5606.6312523654. The cubic root of 31434314 is about 315.5983052154.
Adding to 31434314 its reverse (41343413), we get a palindrome (72777727).
Subtracting 31434314 from its reverse (41343413), we obtain a palindrome (9909099).
The spelling of 31434314 in words is "thirty-one million, four hundred thirty-four thousand, three hundred fourteen".
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