30313285 has 8 divisors (see below), whose sum is σ = 36412920. Its totient is φ = 24225984.

The previous prime is 30313277. The next prime is 30313289. The reversal of 30313285 is 58231303.

It can be written as a sum of positive squares in 4 ways, for example, as 8579041 + 21734244 = 2929^2 + 4662^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30313285 - 2³ = 30313277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313289) 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 7 ways as a sum of consecutive naturals, for example, 3679 + ... + 8611.

It is an arithmetic number, because the mean of its divisors is an integer number (4551615).

Almost surely, 2^30313285 is an apocalyptic number.

It is an amenable number.

30313285 is a deficient number, since it is larger than the sum of its proper divisors (6099635).

30313285 is a wasteful number, since it uses less digits than its factorization.

30313285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 30313285 is about 5505.7501759524. The cubic root of 30313285 is about 311.8011176348.

Adding to 30313285 its reverse (58231303), we get a palindrome (88544588).

The spelling of 30313285 in words is "thirty million, three hundred thirteen thousand, two hundred eighty-five".