30321214 has 32 divisors (see below), whose sum is σ = 56961792. Its totient is φ = 11760000.

The previous prime is 30321197. The next prime is 30321229. The reversal of 30321214 is 41212303.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61509 + ... + 61999.

It is an arithmetic number, because the mean of its divisors is an integer number (1780056).

Almost surely, 2^30321214 is an apocalyptic number.

30321214 is a deficient number, since it is larger than the sum of its proper divisors (26640578).

30321214 is a wasteful number, since it uses less digits than its factorization.

30321214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912.

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

The square root of 30321214 is about 5506.4701942351. The cubic root of 30321214 is about 311.8283010468.

Adding to 30321214 its reverse (41212303), we get a palindrome (71533517).

The spelling of 30321214 in words is "thirty million, three hundred twenty-one thousand, two hundred fourteen".