Base | Representation |
---|---|
bin | 100111000100011… |
… | …1011100001110111 |
3 | 10101100210212021222 |
4 | 1032020323201313 |
5 | 10141101320311 |
6 | 334030300555 |
7 | 44326002662 |
oct | 11610734167 |
9 | 3340725258 |
10 | 1310963831 |
11 | 613006591 |
12 | 30705775b |
13 | 17b7a6458 |
14 | c61766d9 |
15 | 7a158adb |
hex | 4e23b877 |
1310963831 has 2 divisors, whose sum is σ = 1310963832. Its totient is φ = 1310963830.
The previous prime is 1310963813. The next prime is 1310963839. The reversal of 1310963831 is 1383690131.
Together with previous prime (1310963813) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is an emirp because it is prime and its reverse (1383690131) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1310963831 - 218 = 1310701687 is a prime.
It is a super-2 number, since 2×13109638312 = 3437252332380393122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1310963791 and 1310963800.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1310963839) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655481915 + 655481916.
It is an arithmetic number, because the mean of its divisors is an integer number (655481916).
Almost surely, 21310963831 is an apocalyptic number.
1310963831 is a deficient number, since it is larger than the sum of its proper divisors (1).
1310963831 is an equidigital number, since it uses as much as digits as its factorization.
1310963831 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 11664, while the sum is 35.
The square root of 1310963831 is about 36207.2345119038. The cubic root of 1310963831 is about 1094.4524638310.
The spelling of 1310963831 in words is "one billion, three hundred ten million, nine hundred sixty-three thousand, eight hundred thirty-one".
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