Base | Representation |
---|---|
bin | 111101000000111010… |
… | …1000010011011011001 |
3 | 110112012111202120020112 |
4 | 1322001311002123121 |
5 | 4121320424331241 |
6 | 140105411134105 |
7 | 12315655452626 |
oct | 1720165023331 |
9 | 415174676215 |
10 | 131027183321 |
11 | 5062847a171 |
12 | 214888a4335 |
13 | c48193b908 |
14 | 64ada9134d |
15 | 361d1141eb |
hex | 1e81d426d9 |
131027183321 has 2 divisors, whose sum is σ = 131027183322. Its totient is φ = 131027183320.
The previous prime is 131027183297. The next prime is 131027183363. The reversal of 131027183321 is 123381720131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 108067357696 + 22959825625 = 328736^2 + 151525^2 .
It is a cyclic number.
It is not a de Polignac number, because 131027183321 - 218 = 131026921177 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (131027083321) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65513591660 + 65513591661.
It is an arithmetic number, because the mean of its divisors is an integer number (65513591661).
Almost surely, 2131027183321 is an apocalyptic number.
It is an amenable number.
131027183321 is a deficient number, since it is larger than the sum of its proper divisors (1).
131027183321 is an equidigital number, since it uses as much as digits as its factorization.
131027183321 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6048, while the sum is 32.
The spelling of 131027183321 in words is "one hundred thirty-one billion, twenty-seven million, one hundred eighty-three thousand, three hundred twenty-one".
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