Search a number
30011 is a prime number
BaseRepresentation
bin111010100111011
31112011112
413110323
51430021
6350535
7153332
oct72473
945145
1030011
1120603
121544b
1310877
158d5b
hex753b

30011 has 2 divisors, whose sum is σ = 30012. Its totient is φ = 30010.

The previous prime is 29989. The next prime is 30013. The reversal of 30011 is 11003.

Adding to 30011 its reverse (11003), we get a palindrome (41014).

It is a strong prime.

It is an emirp because it is prime and its reverse (11003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30011 - 26 = 29947 is a prime.

Together with 30013, it forms a pair of twin primes.

It is a Chen prime.

30011 is a modest number, since divided by 11 gives 3 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 29977 and 30004.

It is not a weakly prime, because it can be changed into another prime (30013) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15005 + 15006.

It is an arithmetic number, because the mean of its divisors is an integer number (15006).

230011 is an apocalyptic number.

30011 is a deficient number, since it is larger than the sum of its proper divisors (1).

30011 is an equidigital number, since it uses as much as digits as its factorization.

30011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3, while the sum is 5.

The square root of 30011 is about 173.2368321114. The cubic root of 30011 is about 31.0761223241.

The spelling of 30011 in words is "thirty thousand, eleven".