30231124111 has 4 divisors (see below), whose sum is σ = 30260390512. Its totient is φ = 30201857712.

The previous prime is 30231124087. The next prime is 30231124127. The reversal of 30231124111 is 11142113203.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30231124111 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 (30231124811) 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, 14631651 + ... + 14633716.

It is an arithmetic number, because the mean of its divisors is an integer number (7565097628).

Almost surely, 2^30231124111 is an apocalyptic number.

30231124111 is a deficient number, since it is larger than the sum of its proper divisors (29266401).

30231124111 is a wasteful number, since it uses less digits than its factorization.

30231124111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29266400.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 30231124111 its reverse (11142113203), we get a palindrome (41373237314).

The spelling of 30231124111 in words is "thirty billion, two hundred thirty-one million, one hundred twenty-four thousand, one hundred eleven".