331132112213232 has 160 divisors (see below), whose sum is σ = 965759954906880. Its totient is φ = 96843771279360.

The previous prime is 331132112213191. The next prime is 331132112213233. The reversal of 331132112213232 is 232312211231133.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 331132112213232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331132112213233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33494223 + ... + 42238929.

It is an arithmetic number, because the mean of its divisors is an integer number (6035999718168).

Almost surely, 2^{331132112213232} 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 331132112213232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482879977453440).

331132112213232 is an abundant number, since it is smaller than the sum of its proper divisors (634627842693648).

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

331132112213232 is a wasteful number, since it uses less digits than its factorization.

331132112213232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8747231 (or 8747225 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

Adding to 331132112213232 its reverse (232312211231133), we get a palindrome (563444323444365).

The spelling of 331132112213232 in words is "three hundred thirty-one trillion, one hundred thirty-two billion, one hundred twelve million, two hundred thirteen thousand, two hundred thirty-two".