30320401 has 4 divisors (see below), whose sum is σ = 32103972. Its totient is φ = 28536832.

The previous prime is 30320393. The next prime is 30320453. The reversal of 30320401 is 10402303.

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 23030401 + 7290000 = 4799^2 + 2700^2 .

It is a cyclic number.

It is not a de Polignac number, because 30320401 - 2³ = 30320393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30320471) 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, 891760 + ... + 891793.

It is an arithmetic number, because the mean of its divisors is an integer number (8025993).

Almost surely, 2^30320401 is an apocalyptic number.

It is an amenable number.

30320401 is a deficient number, since it is larger than the sum of its proper divisors (1783571).

30320401 is a wasteful number, since it uses less digits than its factorization.

30320401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783570.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30320401 is about 5506.3963714938. The cubic root of 30320401 is about 311.8255140137.

Adding to 30320401 its reverse (10402303), we get a palindrome (40722704).

The spelling of 30320401 in words is "thirty million, three hundred twenty thousand, four hundred one".