231021000232232 has 128 divisors (see below), whose sum is σ = 541376421120000. Its totient is φ = 90128547348480.

The previous prime is 231021000232103. The next prime is 231021000232259. The reversal of 231021000232232 is 232232000120132.

It is a junction number, because it is equal to n+sod(n) for n = 231021000232198 and 231021000232207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50609144 + ... + 54984792.

It is an arithmetic number, because the mean of its divisors is an integer number (4229503290000).

Almost surely, 2^{231021000232232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231021000232232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270688210560000).

231021000232232 is an abundant number, since it is smaller than the sum of its proper divisors (310355420887768).

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

231021000232232 is a wasteful number, since it uses less digits than its factorization.

231021000232232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377499 (or 4377495 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 231021000232232 its reverse (232232000120132), we get a palindrome (463253000352364).

The spelling of 231021000232232 in words is "two hundred thirty-one trillion, twenty-one billion, two hundred thirty-two thousand, two hundred thirty-two".