30120154043 has 16 divisors (see below), whose sum is σ = 34868206080. Its totient is φ = 25485504576.

The previous prime is 30120154019. The next prime is 30120154061. The reversal of 30120154043 is 34045102103.

It is not a de Polignac number, because 30120154043 - 2³² = 25825186747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30120154003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83930 + ... + 259392.

It is an arithmetic number, because the mean of its divisors is an integer number (2179262880).

Almost surely, 2^30120154043 is an apocalyptic number.

30120154043 is a deficient number, since it is larger than the sum of its proper divisors (4748052037).

30120154043 is a wasteful number, since it uses less digits than its factorization.

30120154043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175786.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 30120154043 its reverse (34045102103), we get a palindrome (64165256146).

The spelling of 30120154043 in words is "thirty billion, one hundred twenty million, one hundred fifty-four thousand, forty-three".