231111032332230 has 96 divisors (see below), whose sum is σ = 606811203895104. Its totient is φ = 61022345545728.

The previous prime is 231111032332121. The next prime is 231111032332241. The reversal of 231111032332230 is 32233230111132.

231111032332230 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 1 + 10 + 323 + 322 + 3 + 0 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231111032332194 and 231111032332203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61746462 + ... + 65382318.

It is an arithmetic number, because the mean of its divisors is an integer number (6320950040574).

Almost surely, 2^{231111032332230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231111032332230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303405601947552).

231111032332230 is an abundant number, since it is smaller than the sum of its proper divisors (375700171562874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231111032332230 is a wasteful number, since it uses less digits than its factorization.

231111032332230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642830 (or 3642827 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 231111032332230 its reverse (32233230111132), we get a palindrome (263344262443362).

The spelling of 231111032332230 in words is "two hundred thirty-one trillion, one hundred eleven billion, thirty-two million, three hundred thirty-two thousand, two hundred thirty".