30214312 has 8 divisors (see below), whose sum is σ = 56651850. Its totient is φ = 15107152.

The previous prime is 30214297. The next prime is 30214319. The reversal of 30214312 is 21341203.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30184036 + 30276 = 5494^2 + 174^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (30214319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1888387 + ... + 1888402.

Almost surely, 2^30214312 is an apocalyptic number.

It is an amenable number.

30214312 is a deficient number, since it is larger than the sum of its proper divisors (26437538).

30214312 is a wasteful number, since it uses less digits than its factorization.

30214312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776795 (or 3776791 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30214312 is about 5496.7546788992. The cubic root of 30214312 is about 311.4614036672.

Adding to 30214312 its reverse (21341203), we get a palindrome (51555515).

The spelling of 30214312 in words is "thirty million, two hundred fourteen thousand, three hundred twelve".