30011985102 has 32 divisors (see below), whose sum is σ = 67738654080. Its totient is φ = 8780935520.

The previous prime is 30011985089. The next prime is 30011985109. The reversal of 30011985102 is 20158911003.

It is a self number, because there is not a number n which added to its sum of digits gives 30011985102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30011985109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7838208 + ... + 7842035.

It is an arithmetic number, because the mean of its divisors is an integer number (2116832940).

Almost surely, 2^30011985102 is an apocalyptic number.

30011985102 is an abundant number, since it is smaller than the sum of its proper divisors (37726668978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30011985102 is a wasteful number, since it uses less digits than its factorization.

30011985102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15680288.

The product of its (nonzero) digits is 2160, while the sum is 30.

The spelling of 30011985102 in words is "thirty billion, eleven million, nine hundred eighty-five thousand, one hundred two".