30111440000 has 80 divisors (see below), whose sum is σ = 74960747070. Its totient is φ = 12044544000.

The previous prime is 30111439999. The next prime is 30111440003. The reversal of 30111440000 is 4411103.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 5266114624 + 24845325376 = 72568^2 + 157624^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (30111440003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 108197 + ... + 268196.

Almost surely, 2^30111440000 is an apocalyptic number.

It is an amenable number.

30111440000 is an abundant number, since it is smaller than the sum of its proper divisors (44849307070).

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

30111440000 is an frugal number, since it uses more digits than its factorization.

30111440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376427 (or 376400 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 30111440000 its reverse (4411103), we get a palindrome (30115851103).

The spelling of 30111440000 in words is "thirty billion, one hundred eleven million, four hundred forty thousand".