30320329 has 4 divisors (see below), whose sum is σ = 32652676. Its totient is φ = 27987984.

The previous prime is 30320317. The next prime is 30320359. The reversal of 30320329 is 92302303.

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 9935104 + 20385225 = 3152^2 + 4515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30320329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30320359) 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, 1166154 + ... + 1166179.

It is an arithmetic number, because the mean of its divisors is an integer number (8163169).

Almost surely, 2^30320329 is an apocalyptic number.

It is an amenable number.

30320329 is a deficient number, since it is larger than the sum of its proper divisors (2332347).

30320329 is a wasteful number, since it uses less digits than its factorization.

30320329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332346.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 30320329 is about 5506.3898336387. The cubic root of 30320329 is about 311.8252671892.

The spelling of 30320329 in words is "thirty million, three hundred twenty thousand, three hundred twenty-nine".