Base | Representation |
---|---|
bin | 111101011010010… |
… | …111001111101011 |
3 | 2122210201201212220 |
4 | 331122113033223 |
5 | 4102230234011 |
6 | 250123205123 |
7 | 34350404460 |
oct | 7532271753 |
9 | 2583651786 |
10 | 1030321131 |
11 | 489653574 |
12 | 2490767a3 |
13 | 1355c5398 |
14 | 9aba1667 |
15 | 606c0506 |
hex | 3d6973eb |
1030321131 has 16 divisors (see below), whose sum is σ = 1570464000. Its totient is φ = 588585888.
The previous prime is 1030321111. The next prime is 1030321181. The reversal of 1030321131 is 1311230301.
It is not a de Polignac number, because 1030321131 - 26 = 1030321067 is a prime.
It is a super-2 number, since 2×10303211312 = 2123123265970238322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1030321131.
It is not an unprimeable number, because it can be changed into a prime (1030321111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128385 + ... + 136173.
It is an arithmetic number, because the mean of its divisors is an integer number (98154000).
Almost surely, 21030321131 is an apocalyptic number.
1030321131 is a deficient number, since it is larger than the sum of its proper divisors (540142869).
1030321131 is an equidigital number, since it uses as much as digits as its factorization.
1030321131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14098.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 1030321131 is about 32098.6157178156. The cubic root of 1030321131 is about 1010.0065780704.
Adding to 1030321131 its reverse (1311230301), we get a palindrome (2341551432).
The spelling of 1030321131 in words is "one billion, thirty million, three hundred twenty-one thousand, one hundred thirty-one".
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