1329313232 has 160 divisors (see below), whose sum is σ = 3093801984. Its totient is φ = 547430400.

The previous prime is 1329313229. The next prime is 1329313241. The reversal of 1329313232 is 2323139231.

It is a junction number, because it is equal to n+sod(n) for n = 1329313195 and 1329313204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7344182 + ... + 7344362.

Almost surely, 2^1329313232 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 1329313232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546900992).

1329313232 is an abundant number, since it is smaller than the sum of its proper divisors (1764488752).

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

1329313232 is a wasteful number, since it uses less digits than its factorization.

1329313232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 311 counting only the distinct ones).

The product of its digits is 5832, while the sum is 29.

The square root of 1329313232 is about 36459.7481066449. The cubic root of 1329313232 is about 1099.5351291885.

The spelling of 1329313232 in words is "one billion, three hundred twenty-nine million, three hundred thirteen thousand, two hundred thirty-two".