30314320 has 20 divisors (see below), whose sum is σ = 70480980. Its totient is φ = 12125696.

The previous prime is 30314303. The next prime is 30314327. The reversal of 30314320 is 2341303.

It can be written as a sum of positive squares in 2 ways, for example, as 6927424 + 23386896 = 2632^2 + 4836^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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

It is a junction number, because it is equal to n+sod(n) for n = 30314294 and 30314303.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189385 + ... + 189544.

It is an arithmetic number, because the mean of its divisors is an integer number (3524049).

Almost surely, 2^30314320 is an apocalyptic number.

It is an amenable number.

30314320 is an abundant number, since it is smaller than the sum of its proper divisors (40166660).

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

30314320 is a wasteful number, since it uses less digits than its factorization.

30314320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378942 (or 378936 counting only the distinct ones).

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

The square root of 30314320 is about 5505.8441677912. The cubic root of 30314320 is about 311.8046662493.

Adding to 30314320 its reverse (2341303), we get a palindrome (32655623).

The spelling of 30314320 in words is "thirty million, three hundred fourteen thousand, three hundred twenty".