30131230 has 16 divisors (see below), whose sum is σ = 55391040. Its totient is φ = 11795872.

The previous prime is 30131201. The next prime is 30131243. The reversal of 30131230 is 3213103.

It is a self number, because there is not a number n which added to its sum of digits gives 30131230.

It is a congruent number.

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, 31585 + ... + 32524.

It is an arithmetic number, because the mean of its divisors is an integer number (3461940).

Almost surely, 2^30131230 is an apocalyptic number.

30131230 is a deficient number, since it is larger than the sum of its proper divisors (25259810).

30131230 is a wasteful number, since it uses less digits than its factorization.

30131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64163.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 30131230 is about 5489.1921081339. The cubic root of 30131230 is about 311.1756605954.

Adding to 30131230 its reverse (3213103), we get a palindrome (33344333).

The spelling of 30131230 in words is "thirty million, one hundred thirty-one thousand, two hundred thirty".