Base | Representation |
---|---|
bin | 111100101100001010… |
… | …1011011101100001011 |
3 | 110110101222211102121112 |
4 | 1321120111123230023 |
5 | 4113404221013311 |
6 | 135512342200535 |
7 | 12262503332123 |
oct | 1713025335413 |
9 | 413358742545 |
10 | 130331032331 |
11 | 50300519675 |
12 | 2131372314b |
13 | c3a0649456 |
14 | 6445439c83 |
15 | 35cbe5228b |
hex | 1e5855bb0b |
130331032331 has 2 divisors, whose sum is σ = 130331032332. Its totient is φ = 130331032330.
The previous prime is 130331032313. The next prime is 130331032333. The reversal of 130331032331 is 133230133031.
Together with previous prime (130331032313) 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 130331032331 - 218 = 130330770187 is a prime.
It is a super-2 number, since 2×1303310323312 (a number of 23 digits) contains 22 as substring.
Together with 130331032333, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 130331032297 and 130331032306.
It is not a weakly prime, because it can be changed into another prime (130331032333) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65165516165 + 65165516166.
It is an arithmetic number, because the mean of its divisors is an integer number (65165516166).
Almost surely, 2130331032331 is an apocalyptic number.
130331032331 is a deficient number, since it is larger than the sum of its proper divisors (1).
130331032331 is an equidigital number, since it uses as much as digits as its factorization.
130331032331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1458, while the sum is 23.
Adding to 130331032331 its reverse (133230133031), we get a palindrome (263561165362).
The spelling of 130331032331 in words is "one hundred thirty billion, three hundred thirty-one million, thirty-two thousand, three hundred thirty-one".
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