Base | Representation |
---|---|
bin | 111011001100… |
… | …0000000101101 |
3 | 2011101112222221 |
4 | 1312120000231 |
5 | 30421000331 |
6 | 3025035341 |
7 | 524522245 |
oct | 166300055 |
9 | 64345887 |
10 | 31031341 |
11 | 16575340 |
12 | a485b51 |
13 | 6576553 |
14 | 419ab25 |
15 | 2ace711 |
hex | 1d9802d |
31031341 has 32 divisors (see below), whose sum is σ = 38071296. Its totient is φ = 24960000.
The previous prime is 31031339. The next prime is 31031353. The reversal of 31031341 is 14313013.
It is a cyclic number.
It is not a de Polignac number, because 31031341 - 21 = 31031339 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31031311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307191 + ... + 307291.
It is an arithmetic number, because the mean of its divisors is an integer number (1189728).
Almost surely, 231031341 is an apocalyptic number.
31031341 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
31031341 is a deficient number, since it is larger than the sum of its proper divisors (7039955).
31031341 is a wasteful number, since it uses less digits than its factorization.
31031341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 213.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 31031341 is about 5570.5781567087. The cubic root of 31031341 is about 314.2438941108.
Adding to 31031341 its reverse (14313013), we get a palindrome (45344354).
It can be divided in two parts, 3103 and 1341, that added together give a palindrome (4444).
The spelling of 31031341 in words is "thirty-one million, thirty-one thousand, three hundred forty-one".
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