231010343323320 has 256 divisors, whose sum is σ = 797829737817600. Its totient is φ = 52921364981760.

The previous prime is 231010343323241. The next prime is 231010343323321. The reversal of 231010343323320 is 23323343010132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231010343323321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1643919 + ... + 21557438.

It is an arithmetic number, because the mean of its divisors is an integer number (3116522413350).

Almost surely, 2^{231010343323320} is an apocalyptic number.

231010343323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231010343323320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398914868908800).

231010343323320 is an abundant number, since it is smaller than the sum of its proper divisors (566819394494280).

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

231010343323320 is a wasteful number, since it uses less digits than its factorization.

231010343323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23201798 (or 23201794 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 231010343323320 its reverse (23323343010132), we get a palindrome (254333686333452).

The spelling of 231010343323320 in words is "two hundred thirty-one trillion, ten billion, three hundred forty-three million, three hundred twenty-three thousand, three hundred twenty".