30201305 has 16 divisors (see below), whose sum is σ = 37009920. Its totient is φ = 23654592.

The previous prime is 30201271. The next prime is 30201319. The reversal of 30201305 is 50310203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30201305 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30201305.

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, 61772 + ... + 62258.

It is an arithmetic number, because the mean of its divisors is an integer number (2313120).

Almost surely, 2^30201305 is an apocalyptic number.

It is an amenable number.

30201305 is a deficient number, since it is larger than the sum of its proper divisors (6808615).

30201305 is a wasteful number, since it uses less digits than its factorization.

30201305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 30201305 is about 5495.5713988629. The cubic root of 30201305 is about 311.4167034387.

Adding to 30201305 its reverse (50310203), we get a palindrome (80511508).

The spelling of 30201305 in words is "thirty million, two hundred one thousand, three hundred five".