Base | Representation |
---|---|
bin | 111100011000101… |
… | …110100010010111 |
3 | 2121121100120112221 |
4 | 330120232202113 |
5 | 4033324140111 |
6 | 244310323211 |
7 | 34051223065 |
oct | 7430564227 |
9 | 2547316487 |
10 | 1013115031 |
11 | 47a971355 |
12 | 243359507 |
13 | 131b7c866 |
14 | 987a3035 |
15 | 5de22371 |
hex | 3c62e897 |
1013115031 has 2 divisors, whose sum is σ = 1013115032. Its totient is φ = 1013115030.
The previous prime is 1013115013. The next prime is 1013115049. The reversal of 1013115031 is 1305113101.
Together with previous prime (1013115013) it forms an Ormiston pair, because they use the same digits, order apart.
It is a balanced prime because it is at equal distance from previous prime (1013115013) and next prime (1013115049).
It is a cyclic number.
It is not a de Polignac number, because 1013115031 - 29 = 1013114519 is a prime.
It is a super-2 number, since 2×10131150312 = 2052804132076261922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1013114996 and 1013115014.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1013115071) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506557515 + 506557516.
It is an arithmetic number, because the mean of its divisors is an integer number (506557516).
Almost surely, 21013115031 is an apocalyptic number.
1013115031 is a deficient number, since it is larger than the sum of its proper divisors (1).
1013115031 is an equidigital number, since it uses as much as digits as its factorization.
1013115031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 45, while the sum is 16.
The square root of 1013115031 is about 31829.4679660217. The cubic root of 1013115031 is about 1004.3527034836.
Adding to 1013115031 its reverse (1305113101), we get a palindrome (2318228132).
The spelling of 1013115031 in words is "one billion, thirteen million, one hundred fifteen thousand, thirty-one".
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