Base | Representation |
---|---|
bin | 11110000101111001… |
… | …100100101001101011 |
3 | 10002101211021201012012 |
4 | 132011321210221223 |
5 | 1012133133430011 |
6 | 22502113510135 |
7 | 2222462643602 |
oct | 360571445153 |
9 | 102354251165 |
10 | 32311233131 |
11 | 12780937761 |
12 | 6318b7234b |
13 | 307c171178 |
14 | 17c739ca39 |
15 | c919b8a8b |
hex | 785e64a6b |
32311233131 has 2 divisors, whose sum is σ = 32311233132. Its totient is φ = 32311233130.
The previous prime is 32311233089. The next prime is 32311233169. The reversal of 32311233131 is 13133211323.
It is a strong prime.
It is an emirp because it is prime and its reverse (13133211323) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 32311233131 - 26 = 32311233067 is a prime.
It is a super-2 number, since 2×323112331312 (a number of 22 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 32311233097 and 32311233106.
It is not a weakly prime, because it can be changed into another prime (32311233191) 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, 16155616565 + 16155616566.
It is an arithmetic number, because the mean of its divisors is an integer number (16155616566).
Almost surely, 232311233131 is an apocalyptic number.
32311233131 is a deficient number, since it is larger than the sum of its proper divisors (1).
32311233131 is an equidigital number, since it uses as much as digits as its factorization.
32311233131 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 972, while the sum is 23.
Adding to 32311233131 its reverse (13133211323), we get a palindrome (45444444454).
The spelling of 32311233131 in words is "thirty-two billion, three hundred eleven million, two hundred thirty-three thousand, one hundred thirty-one".
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