30011991082 has 16 divisors (see below), whose sum is σ = 47958291360. Its totient is φ = 14044925232.

The previous prime is 30011991017. The next prime is 30011991089. The reversal of 30011991082 is 28019911003.

It is not an unprimeable number, because it can be changed into a prime (30011991089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4754613 + ... + 4760920.

It is an arithmetic number, because the mean of its divisors is an integer number (2997393210).

Almost surely, 2^30011991082 is an apocalyptic number.

30011991082 is a deficient number, since it is larger than the sum of its proper divisors (17946300278).

30011991082 is a wasteful number, since it uses less digits than its factorization.

30011991082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9515637.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 30011991082 in words is "thirty billion, eleven million, nine hundred ninety-one thousand, eighty-two".