30042211 has 4 divisors (see below), whose sum is σ = 31623400. Its totient is φ = 28461024.

The previous prime is 30042203. The next prime is 30042223. The reversal of 30042211 is 11224003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30042211 - 2³ = 30042203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30042191 and 30042200.

It is not an unprimeable number, because it can be changed into a prime (30042011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790566 + ... + 790603.

It is an arithmetic number, because the mean of its divisors is an integer number (7905850).

Almost surely, 2^30042211 is an apocalyptic number.

30042211 is a deficient number, since it is larger than the sum of its proper divisors (1581189).

30042211 is a wasteful number, since it uses less digits than its factorization.

30042211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581188.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30042211 is about 5481.0775400463. The cubic root of 30042211 is about 310.8689149555.

Adding to 30042211 its reverse (11224003), we get a palindrome (41266214).

The spelling of 30042211 in words is "thirty million, forty-two thousand, two hundred eleven".