30213316 has 24 divisors (see below), whose sum is σ = 60895296. Its totient is φ = 12848160.

The previous prime is 30213307. The next prime is 30213319. The reversal of 30213316 is 61331203.

It is a junction number, because it is equal to n+sod(n) for n = 30213293 and 30213302.

It is not an unprimeable number, because it can be changed into a prime (30213319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451 + ... + 7786.

It is an arithmetic number, because the mean of its divisors is an integer number (2537304).

Almost surely, 2^30213316 is an apocalyptic number.

It is an amenable number.

30213316 is an abundant number, since it is smaller than the sum of its proper divisors (30681980).

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

30213316 is a wasteful number, since it uses less digits than its factorization.

30213316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379 (or 8377 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 30213316 is about 5496.6640792393. The cubic root of 30213316 is about 311.4579812387.

Adding to 30213316 its reverse (61331203), we get a palindrome (91544519).

The spelling of 30213316 in words is "thirty million, two hundred thirteen thousand, three hundred sixteen".