Base | Representation |
---|---|
bin | 100111000011011… |
… | …1001101111100111 |
3 | 10101022210212002002 |
4 | 1032012321233213 |
5 | 10140432312411 |
6 | 334011035515 |
7 | 44321330063 |
oct | 11606715747 |
9 | 3338725062 |
10 | 1310432231 |
11 | 612783149 |
12 | 306a3bb9b |
13 | 17b64b4b4 |
14 | c6078aa3 |
15 | 7a0a133b |
hex | 4e1b9be7 |
1310432231 has 2 divisors, whose sum is σ = 1310432232. Its totient is φ = 1310432230.
The previous prime is 1310432213. The next prime is 1310432237. The reversal of 1310432231 is 1322340131.
Together with previous prime (1310432213) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1310432231 - 222 = 1306237927 is a prime.
It is a super-2 number, since 2×13104322312 = 3434465264087274722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1310432237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655216115 + 655216116.
It is an arithmetic number, because the mean of its divisors is an integer number (655216116).
Almost surely, 21310432231 is an apocalyptic number.
1310432231 is a deficient number, since it is larger than the sum of its proper divisors (1).
1310432231 is an equidigital number, since it uses as much as digits as its factorization.
1310432231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 1310432231 is about 36199.8926932111. The cubic root of 1310432231 is about 1094.3045091796.
Adding to 1310432231 its reverse (1322340131), we get a palindrome (2632772362).
The spelling of 1310432231 in words is "one billion, three hundred ten million, four hundred thirty-two thousand, two hundred thirty-one".
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