30111013200 has 120 divisors (see below), whose sum is σ = 99781783200. Its totient is φ = 7752711680.

The previous prime is 30111013189. The next prime is 30111013271. The reversal of 30111013200 is 231011103.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

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 23 ways as a sum of consecutive naturals, for example, 397830 + ... + 467429.

It is an arithmetic number, because the mean of its divisors is an integer number (831514860).

Almost surely, 2^30111013200 is an apocalyptic number.

30111013200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30111013200 is an abundant number, since it is smaller than the sum of its proper divisors (69670770000).

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

30111013200 is a wasteful number, since it uses less digits than its factorization.

30111013200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865309 (or 865298 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 30111013200 its reverse (231011103), we get a palindrome (30342024303).

The spelling of 30111013200 in words is "thirty billion, one hundred eleven million, thirteen thousand, two hundred".