1323131113232 has 20 divisors (see below), whose sum is σ = 2564421432000. Its totient is φ = 661344937248.

The previous prime is 1323131113219. The next prime is 1323131113237. The reversal of 1323131113232 is 2323111313231.

It is not an unprimeable number, because it can be changed into a prime (1323131113237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13739228 + ... + 13835195.

It is an arithmetic number, because the mean of its divisors is an integer number (128221071600).

Almost surely, 2^{1323131113232} is an apocalyptic number.

It is an amenable number.

1323131113232 is a deficient number, since it is larger than the sum of its proper divisors (1241290318768).

1323131113232 is a wasteful number, since it uses less digits than its factorization.

1323131113232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27577430 (or 27577424 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

Adding to 1323131113232 its reverse (2323111313231), we get a palindrome (3646242426463).

The spelling of 1323131113232 in words is "one trillion, three hundred twenty-three billion, one hundred thirty-one million, one hundred thirteen thousand, two hundred thirty-two".