30130790 has 16 divisors (see below), whose sum is σ = 54330912. Its totient is φ = 12031104.

The previous prime is 30130781. The next prime is 30130829. The reversal of 30130790 is 9703103.

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, 4142 + ... + 8798.

It is an arithmetic number, because the mean of its divisors is an integer number (3395682).

Almost surely, 2^30130790 is an apocalyptic number.

30130790 is a deficient number, since it is larger than the sum of its proper divisors (24200122).

30130790 is a wasteful number, since it uses less digits than its factorization.

30130790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 30130790 is about 5489.1520292300. The cubic root of 30130790 is about 311.1741459105.

Adding to 30130790 its reverse (9703103), we get a palindrome (39833893).

The spelling of 30130790 in words is "thirty million, one hundred thirty thousand, seven hundred ninety".