30213232 has 20 divisors (see below), whose sum is σ = 66900976. Its totient is φ = 12948480.

The previous prime is 30213217. The next prime is 30213247. The reversal of 30213232 is 23231203.

It is an interprime number because it is at equal distance from previous prime (30213217) and next prime (30213247).

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 134769 + ... + 134992.

Almost surely, 2^30213232 is an apocalyptic number.

It is an amenable number.

30213232 is an abundant number, since it is smaller than the sum of its proper divisors (36687744).

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

30213232 is a wasteful number, since it uses less digits than its factorization.

30213232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269776 (or 269770 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30213232 is about 5496.6564382359. The cubic root of 30213232 is about 311.4576925967.

Adding to 30213232 its reverse (23231203), we get a palindrome (53444435).

The spelling of 30213232 in words is "thirty million, two hundred thirteen thousand, two hundred thirty-two".