30113216 has 28 divisors (see below), whose sum is σ = 68293488. Its totient is φ = 12905472.

The previous prime is 30113207. The next prime is 30113221. The reversal of 30113216 is 61231103.

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 30113194 and 30113203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33161 + ... + 34056.

Almost surely, 2^30113216 is an apocalyptic number.

It is an amenable number.

30113216 is an abundant number, since it is smaller than the sum of its proper divisors (38180272).

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

30113216 is an equidigital number, since it uses as much as digits as its factorization.

30113216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67236 (or 67226 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 30113216 is about 5487.5510020409. The cubic root of 30113216 is about 311.1136359583.

Adding to 30113216 its reverse (61231103), we get a palindrome (91344319).

The spelling of 30113216 in words is "thirty million, one hundred thirteen thousand, two hundred sixteen".