30314321 has 4 divisors (see below), whose sum is σ = 30334644. Its totient is φ = 30294000.

The previous prime is 30314303. The next prime is 30314327. The reversal of 30314321 is 12341303.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14025025 + 16289296 = 3745^2 + 4036^2 .

It is a cyclic number.

It is not a de Polignac number, because 30314321 - 2⁶ = 30314257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30314321.

It is not an unprimeable number, because it can be changed into a prime (30314327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7730 + ... + 10971.

It is an arithmetic number, because the mean of its divisors is an integer number (7583661).

Almost surely, 2^30314321 is an apocalyptic number.

It is an amenable number.

30314321 is a deficient number, since it is larger than the sum of its proper divisors (20323).

30314321 is a wasteful number, since it uses less digits than its factorization.

30314321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20322.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30314321 is about 5505.8442586038. The cubic root of 30314321 is about 311.8046696779.

Adding to 30314321 its reverse (12341303), we get a palindrome (42655624).

The spelling of 30314321 in words is "thirty million, three hundred fourteen thousand, three hundred twenty-one".