Base | Representation |
---|---|
bin | 1011101001111010110… |
… | …1111000001000010011 |
3 | 201010211110120001210202 |
4 | 2322132231320020103 |
5 | 11240033204302011 |
6 | 231552432045415 |
7 | 20315630104361 |
oct | 2723655701023 |
9 | 633743501722 |
10 | 200231322131 |
11 | 77a103a7a15 |
12 | 3298109386b |
13 | 15b60222189 |
14 | 9996ad8631 |
15 | 531d91923b |
hex | 2e9eb78213 |
200231322131 has 2 divisors, whose sum is σ = 200231322132. Its totient is φ = 200231322130.
The previous prime is 200231322119. The next prime is 200231322169. The reversal of 200231322131 is 131223132002.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-200231322131 is a prime.
It is a super-2 number, since 2×2002313221312 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (200231322631) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100115661065 + 100115661066.
It is an arithmetic number, because the mean of its divisors is an integer number (100115661066).
Almost surely, 2200231322131 is an apocalyptic number.
200231322131 is a deficient number, since it is larger than the sum of its proper divisors (1).
200231322131 is an equidigital number, since it uses as much as digits as its factorization.
200231322131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 200231322131 its reverse (131223132002), we get a palindrome (331454454133).
The spelling of 200231322131 in words is "two hundred billion, two hundred thirty-one million, three hundred twenty-two thousand, one hundred thirty-one".
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