320211231312232 has 64 divisors (see below), whose sum is σ = 653407882807680. Its totient is φ = 146231642656512.

The previous prime is 320211231312199. The next prime is 320211231312253. The reversal of 320211231312232 is 232213132112023.

It is a self number, because there is not a number n which added to its sum of digits gives 320211231312232.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 123418 + ... + 25306870.

It is an arithmetic number, because the mean of its divisors is an integer number (10209498168870).

Almost surely, 2^{320211231312232} 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 320211231312232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326703941403840).

320211231312232 is an abundant number, since it is smaller than the sum of its proper divisors (333196651495448).

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

320211231312232 is a wasteful number, since it uses less digits than its factorization.

320211231312232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25184762 (or 25184758 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 320211231312232 its reverse (232213132112023), we get a palindrome (552424363424255).

The spelling of 320211231312232 in words is "three hundred twenty trillion, two hundred eleven billion, two hundred thirty-one million, three hundred twelve thousand, two hundred thirty-two".