Base | Representation |
---|---|
bin | 11110000001000111… |
… | …100111110101110011 |
3 | 10002012020100222100201 |
4 | 132001013213311303 |
5 | 1012002120431011 |
6 | 22450130500031 |
7 | 2220500143606 |
oct | 360107476563 |
9 | 102166328321 |
10 | 32231030131 |
11 | 1273a637a93 |
12 | 62b6134617 |
13 | 306866c581 |
14 | 17ba88233d |
15 | c89924cc1 |
hex | 7811e7d73 |
32231030131 has 2 divisors, whose sum is σ = 32231030132. Its totient is φ = 32231030130.
The previous prime is 32231030129. The next prime is 32231030137. The reversal of 32231030131 is 13103013223.
It is a weak prime.
It is an emirp because it is prime and its reverse (13103013223) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 32231030131 - 21 = 32231030129 is a prime.
It is a super-2 number, since 2×322310301312 (a number of 22 digits) contains 22 as substring.
Together with 32231030129, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 32231030099 and 32231030108.
It is not a weakly prime, because it can be changed into another prime (32231030137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16115515065 + 16115515066.
It is an arithmetic number, because the mean of its divisors is an integer number (16115515066).
Almost surely, 232231030131 is an apocalyptic number.
32231030131 is a deficient number, since it is larger than the sum of its proper divisors (1).
32231030131 is an equidigital number, since it uses as much as digits as its factorization.
32231030131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 32231030131 its reverse (13103013223), we get a palindrome (45334043354).
The spelling of 32231030131 in words is "thirty-two billion, two hundred thirty-one million, thirty thousand, one hundred thirty-one".
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