30031311100 has 108 divisors (see below), whose sum is σ = 75869269056. Its totient is φ = 10288078080.

The previous prime is 30031311097. The next prime is 30031311119. The reversal of 30031311100 is 111313003.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 10812912 + ... + 10815688.

It is an arithmetic number, because the mean of its divisors is an integer number (702493232).

Almost surely, 2^30031311100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30031311100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37934634528).

30031311100 is an abundant number, since it is smaller than the sum of its proper divisors (45837957956).

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

30031311100 is a wasteful number, since it uses less digits than its factorization.

30031311100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012 (or 4998 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 30031311100 its reverse (111313003), we get a palindrome (30142624103).

The spelling of 30031311100 in words is "thirty billion, thirty-one million, three hundred eleven thousand, one hundred".