30213332 has 6 divisors (see below), whose sum is σ = 52873338. Its totient is φ = 15106664.

The previous prime is 30213319. The next prime is 30213341. The reversal of 30213332 is 23331203.

It can be written as a sum of positive squares in only one way, i.e., 17007376 + 13205956 = 4124^2 + 3634^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30213332.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3776663 + ... + 3776670.

It is an arithmetic number, because the mean of its divisors is an integer number (8812223).

Almost surely, 2^30213332 is an apocalyptic number.

It is an amenable number.

30213332 is a deficient number, since it is larger than the sum of its proper divisors (22660006).

30213332 is a wasteful number, since it uses less digits than its factorization.

30213332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7553337 (or 7553335 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 30213332 is about 5496.6655346674. The cubic root of 30213332 is about 311.4580362181.

Adding to 30213332 its reverse (23331203), we get a palindrome (53544535).

The spelling of 30213332 in words is "thirty million, two hundred thirteen thousand, three hundred thirty-two".