30128102834 has 16 divisors (see below), whose sum is σ = 45285791040. Its totient is φ = 15032862000.

The previous prime is 30128102833. The next prime is 30128102869. The reversal of 30128102834 is 43820182103.

It is a self number, because there is not a number n which added to its sum of digits gives 30128102834.

It is not an unprimeable number, because it can be changed into a prime (30128102833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3981947 + ... + 3989505.

It is an arithmetic number, because the mean of its divisors is an integer number (2830361940).

Almost surely, 2^30128102834 is an apocalyptic number.

30128102834 is a deficient number, since it is larger than the sum of its proper divisors (15157688206).

30128102834 is a wasteful number, since it uses less digits than its factorization.

30128102834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11425.

The product of its (nonzero) digits is 9216, while the sum is 32.

Adding to 30128102834 its reverse (43820182103), we get a palindrome (73948284937).

The spelling of 30128102834 in words is "thirty billion, one hundred twenty-eight million, one hundred two thousand, eight hundred thirty-four".