30013013124 has 36 divisors (see below), whose sum is σ = 75872560764. Its totient is φ = 10003502592.

The previous prime is 30013013119. The next prime is 30013013153. The reversal of 30013013124 is 42131031003.

It can be written as a sum of positive squares in 2 ways, for example, as 19544040000 + 10468973124 = 139800^2 + 102318^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 = 30013013097 and 30013013106.

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 11 ways as a sum of consecutive naturals, for example, 526464 + ... + 580680.

Almost surely, 2^30013013124 is an apocalyptic number.

It is an amenable number.

30013013124 is an abundant number, since it is smaller than the sum of its proper divisors (45859547640).

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

30013013124 is a wasteful number, since it uses less digits than its factorization.

30013013124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69604 (or 69599 counting only the distinct ones).

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

Adding to 30013013124 its reverse (42131031003), we get a palindrome (72144044127).

The spelling of 30013013124 in words is "thirty billion, thirteen million, thirteen thousand, one hundred twenty-four".