231323330100000 has 288 divisors, whose sum is σ = 762578374485312. Its totient is φ = 61393852800000.

The previous prime is 231323330099963. The next prime is 231323330100011. The reversal of 231323330100000 is 1033323132.

It is a self number, because there is not a number n which added to its sum of digits gives 231323330100000.

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, 61472802 + ... + 65127198.

It is an arithmetic number, because the mean of its divisors is an integer number (2647841578074).

Almost surely, 2^{231323330100000} is an apocalyptic number.

231323330100000 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 231323330100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381289187242656).

231323330100000 is an abundant number, since it is smaller than the sum of its proper divisors (531255044385312).

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

231323330100000 is an equidigital number, since it uses as much as digits as its factorization.

231323330100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654646 (or 3654618 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 231323330100000 its reverse (1033323132), we get a palindrome (231324363423132).

The spelling of 231323330100000 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, three hundred thirty million, one hundred thousand".