Base | Representation |
---|---|
bin | 11101111001100000… |
… | …000100001100111111 |
3 | 10001212022212112212022 |
4 | 131321200010030333 |
5 | 1011221411020111 |
6 | 22425323230355 |
7 | 2214355603451 |
oct | 357140041477 |
9 | 101768775768 |
10 | 32103220031 |
11 | 12684481403 |
12 | 627b3783bb |
13 | 304803c7ac |
14 | 17a78d22d1 |
15 | c7d5ca2db |
hex | 77980433f |
32103220031 has 2 divisors, whose sum is σ = 32103220032. Its totient is φ = 32103220030.
The previous prime is 32103220027. The next prime is 32103220057. The reversal of 32103220031 is 13002230123.
It is a weak prime.
It is an emirp because it is prime and its reverse (13002230123) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 32103220031 - 22 = 32103220027 is a prime.
It is a super-2 number, since 2×321032200312 (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 = 32103219991 and 32103220009.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (32103220931) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16051610015 + 16051610016.
It is an arithmetic number, because the mean of its divisors is an integer number (16051610016).
Almost surely, 232103220031 is an apocalyptic number.
32103220031 is a deficient number, since it is larger than the sum of its proper divisors (1).
32103220031 is an equidigital number, since it uses as much as digits as its factorization.
32103220031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 32103220031 its reverse (13002230123), we get a palindrome (45105450154).
The spelling of 32103220031 in words is "thirty-two billion, one hundred three million, two hundred twenty thousand, thirty-one".
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