321311132 has 12 divisors (see below), whose sum is σ = 562464000. Its totient is φ = 160607136.

The previous prime is 321311131. The next prime is 321311153. The reversal of 321311132 is 231113123.

321311132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 321311132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321311131) 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, 5744 + ... + 25992.

It is an arithmetic number, because the mean of its divisors is an integer number (46872000).

Almost surely, 2^321311132 is an apocalyptic number.

It is an amenable number.

321311132 is a deficient number, since it is larger than the sum of its proper divisors (241152868).

321311132 is a wasteful number, since it uses less digits than its factorization.

321311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24220 (or 24218 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 321311132 is about 17925.1536116152. The cubic root of 321311132 is about 684.9232741243.

Adding to 321311132 its reverse (231113123), we get a palindrome (552424255).

The spelling of 321311132 in words is "three hundred twenty-one million, three hundred eleven thousand, one hundred thirty-two".