331236105132 has 24 divisors (see below), whose sum is σ = 772893890496. Its totient is φ = 110410657168.

The previous prime is 331236105131. The next prime is 331236105143. The reversal of 331236105132 is 231501632133.

It is a self number, because there is not a number n which added to its sum of digits gives 331236105132.

It is not an unprimeable number, because it can be changed into a prime (331236105131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1413103 + ... + 1630745.

It is an arithmetic number, because the mean of its divisors is an integer number (32203912104).

Almost surely, 2^331236105132 is an apocalyptic number.

It is an amenable number.

331236105132 is an abundant number, since it is smaller than the sum of its proper divisors (441657785364).

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

331236105132 is a wasteful number, since it uses less digits than its factorization.

331236105132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344477 (or 344475 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 331236105132 its reverse (231501632133), we get a palindrome (562737737265).

The spelling of 331236105132 in words is "three hundred thirty-one billion, two hundred thirty-six million, one hundred five thousand, one hundred thirty-two".