30013031124 has 144 divisors (see below), whose sum is σ = 79247488320. Its totient is φ = 9570355200.

The previous prime is 30013031099. The next prime is 30013031143. The reversal of 30013031124 is 42113031003.

30013031124 is a `hidden beast` number, since 300 + 1 + 30 + 311 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30013031097 and 30013031106.

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 47 ways as a sum of consecutive naturals, for example, 15164767 + ... + 15166745.

It is an arithmetic number, because the mean of its divisors is an integer number (550329780).

Almost surely, 2^30013031124 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 30013031124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39623744160).

30013031124 is an abundant number, since it is smaller than the sum of its proper divisors (49234457196).

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

30013031124 is a wasteful number, since it uses less digits than its factorization.

30013031124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230 (or 2225 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30013031124 its reverse (42113031003), we get a palindrome (72126062127).

The spelling of 30013031124 in words is "thirty billion, thirteen million, thirty-one thousand, one hundred twenty-four".