Base | Representation |
---|---|
bin | 111011111110… |
… | …0000011011001 |
3 | 2012011101002200 |
4 | 1313330003121 |
5 | 31022103423 |
6 | 3041520413 |
7 | 531150024 |
oct | 167740331 |
9 | 65141080 |
10 | 31441113 |
11 | 168251a0 |
12 | a643109 |
13 | 668ac12 |
14 | 42661bb |
15 | 2b60d43 |
hex | 1dfc0d9 |
31441113 has 12 divisors (see below), whose sum is σ = 49543728. Its totient is φ = 19055160.
The previous prime is 31441103. The next prime is 31441129. The reversal of 31441113 is 31114413.
It is not a de Polignac number, because 31441113 - 24 = 31441097 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31441103) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158695 + ... + 158892.
It is an arithmetic number, because the mean of its divisors is an integer number (4128644).
Almost surely, 231441113 is an apocalyptic number.
31441113 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
It is an amenable number.
31441113 is a deficient number, since it is larger than the sum of its proper divisors (18102615).
31441113 is a wasteful number, since it uses less digits than its factorization.
31441113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 317604 (or 317601 counting only the distinct ones).
The product of its digits is 144, while the sum is 18.
The square root of 31441113 is about 5607.2375551603. The cubic root of 31441113 is about 315.6210574026.
Adding to 31441113 its reverse (31114413), we get a palindrome (62555526).
It can be divided in two parts, 31 and 441113, that added together give a palindrome (441144).
The spelling of 31441113 in words is "thirty-one million, four hundred forty-one thousand, one hundred thirteen".
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