Base | Representation |
---|---|
bin | 111011001100… |
… | …0101011010111 |
3 | 2011101200202001 |
4 | 1312120223113 |
5 | 30421042241 |
6 | 3025100131 |
7 | 524533225 |
oct | 166305327 |
9 | 64350661 |
10 | 31034071 |
11 | 165773a2 |
12 | a487647 |
13 | 6577873 |
14 | 419bb15 |
15 | 2ad0431 |
hex | 1d98ad7 |
31034071 has 2 divisors, whose sum is σ = 31034072. Its totient is φ = 31034070.
The previous prime is 31034057. The next prime is 31034077. The reversal of 31034071 is 17043013.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 31034071 - 25 = 31034039 is a prime.
It is a super-2 number, since 2×310340712 = 1926227125666082, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31034077) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15517035 + 15517036.
It is an arithmetic number, because the mean of its divisors is an integer number (15517036).
Almost surely, 231034071 is an apocalyptic number.
31034071 is a deficient number, since it is larger than the sum of its proper divisors (1).
31034071 is an equidigital number, since it uses as much as digits as its factorization.
31034071 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 252, while the sum is 19.
The square root of 31034071 is about 5570.8231887218. The cubic root of 31034071 is about 314.2531091028.
Adding to 31034071 its reverse (17043013), we get a palindrome (48077084).
The spelling of 31034071 in words is "thirty-one million, thirty-four thousand, seventy-one".
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