30444140111 has 16 divisors (see below), whose sum is σ = 38093383680. Its totient is φ = 23637048480.

The previous prime is 30444140081. The next prime is 30444140113. The reversal of 30444140111 is 11104144403.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30444140111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30444140113) 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, 692351 + ... + 735008.

It is an arithmetic number, because the mean of its divisors is an integer number (2380836480).

Almost surely, 2^30444140111 is an apocalyptic number.

30444140111 is a deficient number, since it is larger than the sum of its proper divisors (7649243569).

30444140111 is a wasteful number, since it uses less digits than its factorization.

30444140111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427654.

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

Adding to 30444140111 its reverse (11104144403), we get a palindrome (41548284514).

The spelling of 30444140111 in words is "thirty billion, four hundred forty-four million, one hundred forty thousand, one hundred eleven".