231132230111 has 8 divisors (see below), whose sum is σ = 232535214720. Its totient is φ = 229730487448.

The previous prime is 231132230099. The next prime is 231132230113. The reversal of 231132230111 is 111032231132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231132230111 - 2¹⁴ = 231132213727 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 (231132230113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64220 + ... + 682926.

It is an arithmetic number, because the mean of its divisors is an integer number (29066901840).

Almost surely, 2^231132230111 is an apocalyptic number.

231132230111 is a deficient number, since it is larger than the sum of its proper divisors (1402984609).

231132230111 is a wasteful number, since it uses less digits than its factorization.

231132230111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620973.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 231132230111 its reverse (111032231132), we get a palindrome (342164461243).

The spelling of 231132230111 in words is "two hundred thirty-one billion, one hundred thirty-two million, two hundred thirty thousand, one hundred eleven".