30313130 has 16 divisors (see below), whose sum is σ = 55105704. Its totient is φ = 12004800.

The previous prime is 30313123. The next prime is 30313141. The reversal of 30313130 is 3131303.

It can be written as a sum of positive squares in 4 ways, for example, as 21780889 + 8532241 = 4667^2 + 2921^2 .

It is an unprimeable number.

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, 13997 + ... + 16016.

Almost surely, 2^30313130 is an apocalyptic number.

30313130 is a deficient number, since it is larger than the sum of its proper divisors (24792574).

30313130 is a wasteful number, since it uses less digits than its factorization.

30313130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30121.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 30313130 is about 5505.7360997418. The cubic root of 30313130 is about 311.8005861929.

Adding to 30313130 its reverse (3131303), we get a palindrome (33444433).

The spelling of 30313130 in words is "thirty million, three hundred thirteen thousand, one hundred thirty".