30111142443 has 16 divisors (see below), whose sum is σ = 40543435296. Its totient is φ = 19877425920.

The previous prime is 30111142433. The next prime is 30111142447. The reversal of 30111142443 is 34424111103.

It is not a de Polignac number, because 30111142443 - 2³⁰ = 29037400619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30111142447) 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, 7521 + ... + 245517.

It is an arithmetic number, because the mean of its divisors is an integer number (2533964706).

Almost surely, 2^30111142443 is an apocalyptic number.

30111142443 is a deficient number, since it is larger than the sum of its proper divisors (10432292853).

30111142443 is a wasteful number, since it uses less digits than its factorization.

30111142443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238414.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 30111142443 its reverse (34424111103), we get a palindrome (64535253546).

The spelling of 30111142443 in words is "thirty billion, one hundred eleven million, one hundred forty-two thousand, four hundred forty-three".