30172558930 has 16 divisors (see below), whose sum is σ = 54316401624. Its totient is φ = 12067735680.

The previous prime is 30172558861. The next prime is 30172558939. The reversal of 30172558930 is 3985527103.

It can be written as a sum of positive squares in 4 ways, for example, as 15798227481 + 14374331449 = 125691^2 + 119893^2 .

It is not an unprimeable number, because it can be changed into a prime (30172558939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59547 + ... + 252766.

Almost surely, 2^30172558930 is an apocalyptic number.

30172558930 is a deficient number, since it is larger than the sum of its proper divisors (24143842694).

30172558930 is a wasteful number, since it uses less digits than its factorization.

30172558930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321981.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 30172558930 in words is "thirty billion, one hundred seventy-two million, five hundred fifty-eight thousand, nine hundred thirty".