30011142042 has 24 divisors (see below), whose sum is σ = 74313304416. Its totient is φ = 8574611976.

The previous prime is 30011142037. The next prime is 30011142061. The reversal of 30011142042 is 24024111003.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119091708 + ... + 119091959.

It is an arithmetic number, because the mean of its divisors is an integer number (3096387684).

Almost surely, 2^30011142042 is an apocalyptic number.

30011142042 is an abundant number, since it is smaller than the sum of its proper divisors (44302162374).

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

30011142042 is a wasteful number, since it uses less digits than its factorization.

30011142042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238183682 (or 238183679 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 30011142042 its reverse (24024111003), we get a palindrome (54035253045).

The spelling of 30011142042 in words is "thirty billion, eleven million, one hundred forty-two thousand, forty-two".