Base | Representation |
---|---|
bin | 100001011010001… |
… | …0001101011000011 |
3 | 2220010100201002101 |
4 | 1002310101223003 |
5 | 4243434001011 |
6 | 303122531231 |
7 | 36531225646 |
oct | 10264215303 |
9 | 2803321071 |
10 | 1121000131 |
11 | 525858a99 |
12 | 273506b17 |
13 | 14b3243b4 |
14 | a8c47a5d |
15 | 686332c1 |
hex | 42d11ac3 |
1121000131 has 2 divisors, whose sum is σ = 1121000132. Its totient is φ = 1121000130.
The previous prime is 1121000119. The next prime is 1121000141. The reversal of 1121000131 is 1310001211.
It is an a-pointer prime, because the next prime (1121000141) can be obtained adding 1121000131 to its sum of digits (10).
It is a strong prime.
It is an emirp because it is prime and its reverse (1310001211) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1121000131 - 213 = 1120991939 is a prime.
It is a super-2 number, since 2×11210001312 = 2513282587404034322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1121000141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560500065 + 560500066.
It is an arithmetic number, because the mean of its divisors is an integer number (560500066).
Almost surely, 21121000131 is an apocalyptic number.
1121000131 is a deficient number, since it is larger than the sum of its proper divisors (1).
1121000131 is an equidigital number, since it uses as much as digits as its factorization.
1121000131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6, while the sum is 10.
The square root of 1121000131 is about 33481.3400418800. The cubic root of 1121000131 is about 1038.8078459235.
Adding to 1121000131 its reverse (1310001211), we get a palindrome (2431001342).
The spelling of 1121000131 in words is "one billion, one hundred twenty-one million, one hundred thirty-one", and thus it is an aban number.
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