1323131132 has 12 divisors (see below), whose sum is σ = 2347198896. Its totient is φ = 652502880.

The previous prime is 1323131129. The next prime is 1323131149. The reversal of 1323131132 is 2311313231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2265344 + ... + 2265927.

It is an arithmetic number, because the mean of its divisors is an integer number (195599908).

Almost surely, 2^1323131132 is an apocalyptic number.

It is an amenable number.

1323131132 is a deficient number, since it is larger than the sum of its proper divisors (1024067764).

1323131132 is a wasteful number, since it uses less digits than its factorization.

1323131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531348 (or 4531346 counting only the distinct ones).

The product of its digits is 324, while the sum is 20.

The square root of 1323131132 is about 36374.8695117934. The cubic root of 1323131132 is about 1097.8279818068.

Adding to 1323131132 its reverse (2311313231), we get a palindrome (3634444363).

The spelling of 1323131132 in words is "one billion, three hundred twenty-three million, one hundred thirty-one thousand, one hundred thirty-two".