Base | Representation |
---|---|
bin | 100001011010001… |
… | …1001101110101011 |
3 | 2220010102101100121 |
4 | 1002310121232223 |
5 | 4243441030011 |
6 | 303123344111 |
7 | 36531424111 |
oct | 10264315653 |
9 | 2803371317 |
10 | 1121033131 |
11 | 525880869 |
12 | 273522037 |
13 | 14b33641a |
14 | a8c55ab1 |
15 | 6863ce71 |
hex | 42d19bab |
1121033131 has 2 divisors, whose sum is σ = 1121033132. Its totient is φ = 1121033130.
The previous prime is 1121033119. The next prime is 1121033153. The reversal of 1121033131 is 1313301211.
It is a weak prime.
It is an emirp because it is prime and its reverse (1313301211) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1121033131 is a prime.
It is a super-2 number, since 2×11210331312 = 2513430561599326322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1121033101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560516565 + 560516566.
It is an arithmetic number, because the mean of its divisors is an integer number (560516566).
Almost surely, 21121033131 is an apocalyptic number.
1121033131 is a deficient number, since it is larger than the sum of its proper divisors (1).
1121033131 is an equidigital number, since it uses as much as digits as its factorization.
1121033131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 54, while the sum is 16.
The square root of 1121033131 is about 33481.8328500696. The cubic root of 1121033131 is about 1038.8180392980.
Adding to 1121033131 its reverse (1313301211), we get a palindrome (2434334342).
The spelling of 1121033131 in words is "one billion, one hundred twenty-one million, thirty-three thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •