30231320111 has 16 divisors (see below), whose sum is σ = 31873782528. Its totient is φ = 28644369600.

The previous prime is 30231320107. The next prime is 30231320173. The reversal of 30231320111 is 11102313203.

It is a cyclic number.

It is not a de Polignac number, because 30231320111 - 2² = 30231320107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30231320111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230320111) 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, 117536 + ... + 272538.

It is an arithmetic number, because the mean of its divisors is an integer number (1992111408).

Almost surely, 2^30231320111 is an apocalyptic number.

30231320111 is a deficient number, since it is larger than the sum of its proper divisors (1642462417).

30231320111 is a wasteful number, since it uses less digits than its factorization.

30231320111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155182.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30231320111 its reverse (11102313203), we get a palindrome (41333633314).

The spelling of 30231320111 in words is "thirty billion, two hundred thirty-one million, three hundred twenty thousand, one hundred eleven".