1323320311132 has 48 divisors (see below), whose sum is σ = 2525899622400. Its totient is φ = 604308617280.

The previous prime is 1323320311129. The next prime is 1323320311193. The reversal of 1323320311132 is 2311130233231.

It is a junction number, because it is equal to n+sod(n) for n = 1323320311097 and 1323320311106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448207 + ... + 1687462.

It is an arithmetic number, because the mean of its divisors is an integer number (52622908800).

Almost surely, 2^{1323320311132} is an apocalyptic number.

It is an amenable number.

1323320311132 is a deficient number, since it is larger than the sum of its proper divisors (1202579311268).

1323320311132 is a wasteful number, since it uses less digits than its factorization.

1323320311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135986 (or 2135984 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1323320311132 its reverse (2311130233231), we get a palindrome (3634450544363).

The spelling of 1323320311132 in words is "one trillion, three hundred twenty-three billion, three hundred twenty million, three hundred eleven thousand, one hundred thirty-two".