30842211 has 4 divisors (see below), whose sum is σ = 41122952. Its totient is φ = 20561472.

The previous prime is 30842183. The next prime is 30842213. The reversal of 30842211 is 11224803.

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

It is not a de Polignac number, because 30842211 - 2⁷ = 30842083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30842213) 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, 5140366 + ... + 5140371.

It is an arithmetic number, because the mean of its divisors is an integer number (10280738).

Almost surely, 2^30842211 is an apocalyptic number.

30842211 is a deficient number, since it is larger than the sum of its proper divisors (10280741).

30842211 is a wasteful number, since it uses less digits than its factorization.

30842211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10280740.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 30842211 is about 5553.5764152481. The cubic root of 30842211 is about 313.6041741763.

The spelling of 30842211 in words is "thirty million, eight hundred forty-two thousand, two hundred eleven".