30841216 has 32 divisors (see below), whose sum is σ = 70220880. Its totient is φ = 13217280.

The previous prime is 30841211. The next prime is 30841231. The reversal of 30841216 is 61214803.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30841211) 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 in 3 ways as a sum of consecutive naturals, for example, 16315 + ... + 18106.

Almost surely, 2^30841216 is an apocalyptic number.

It is an amenable number.

30841216 is an abundant number, since it is smaller than the sum of its proper divisors (39379664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30841216 is an equidigital number, since it uses as much as digits as its factorization.

30841216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34442 (or 34430 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 30841216 is about 5553.4868326125. The cubic root of 30841216 is about 313.6008017472.

The spelling of 30841216 in words is "thirty million, eight hundred forty-one thousand, two hundred sixteen".