Base | Representation |
---|---|
bin | 111100010100110… |
… | …111000011010011 |
3 | 2121112110002000111 |
4 | 330110313003103 |
5 | 4033044220311 |
6 | 244232502151 |
7 | 34036501513 |
oct | 7424670323 |
9 | 2545402014 |
10 | 1012101331 |
11 | 47a33978a |
12 | 242b4a957 |
13 | 1318b6337 |
14 | 985bb843 |
15 | 5dcc1d21 |
hex | 3c5370d3 |
1012101331 has 2 divisors, whose sum is σ = 1012101332. Its totient is φ = 1012101330.
The previous prime is 1012101319. The next prime is 1012101347. The reversal of 1012101331 is 1331012101.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1012101331 - 29 = 1012100819 is a prime.
It is a super-2 number, since 2×10121013312 = 2048698208423943122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1012101301) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506050665 + 506050666.
It is an arithmetic number, because the mean of its divisors is an integer number (506050666).
Almost surely, 21012101331 is an apocalyptic number.
1012101331 is a deficient number, since it is larger than the sum of its proper divisors (1).
1012101331 is an equidigital number, since it uses as much as digits as its factorization.
1012101331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 1012101331 is about 31813.5400576547. The cubic root of 1012101331 is about 1004.0176141601.
Adding to 1012101331 its reverse (1331012101), we get a palindrome (2343113432).
The spelling of 1012101331 in words is "one billion, twelve million, one hundred one thousand, three hundred thirty-one".
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