30040211 has 2 divisors, whose sum is σ = 30040212. Its totient is φ = 30040210.

The previous prime is 30040193. The next prime is 30040217. The reversal of 30040211 is 11204003.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30040211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30040192 and 30040201.

It is not a weakly prime, because it can be changed into another prime (30040217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15020105 + 15020106.

It is an arithmetic number, because the mean of its divisors is an integer number (15020106).

Almost surely, 2^30040211 is an apocalyptic number.

30040211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30040211 is an equidigital number, since it uses as much as digits as its factorization.

30040211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 30040211 is about 5480.8950911325. The cubic root of 30040211 is about 310.8620163107.

Adding to 30040211 its reverse (11204003), we get a palindrome (41244214).

The spelling of 30040211 in words is "thirty million, forty thousand, two hundred eleven".