30442142111 has 4 divisors (see below), whose sum is σ = 31184633424. Its totient is φ = 29699650800.

The previous prime is 30442142041. The next prime is 30442142117. The reversal of 30442142111 is 11124124403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30442142111 - 2¹⁸ = 30441879967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30442142117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371245595 + ... + 371245676.

It is an arithmetic number, because the mean of its divisors is an integer number (7796158356).

Almost surely, 2^30442142111 is an apocalyptic number.

30442142111 is a deficient number, since it is larger than the sum of its proper divisors (742491313).

30442142111 is an equidigital number, since it uses as much as digits as its factorization.

30442142111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742491312.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 30442142111 its reverse (11124124403), we get a palindrome (41566266514).

The spelling of 30442142111 in words is "thirty billion, four hundred forty-two million, one hundred forty-two thousand, one hundred eleven".