321113132 has 6 divisors (see below), whose sum is σ = 561947988. Its totient is φ = 160556564.

The previous prime is 321113123. The next prime is 321113137. The reversal of 321113132 is 231311123.

321113132 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×321113132³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

321113132 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 321113132.

It is not an unprimeable number, because it can be changed into a prime (321113137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40139138 + ... + 40139145.

It is an arithmetic number, because the mean of its divisors is an integer number (93657998).

Almost surely, 2^321113132 is an apocalyptic number.

It is an amenable number.

321113132 is a deficient number, since it is larger than the sum of its proper divisors (240834856).

321113132 is a wasteful number, since it uses less digits than its factorization.

321113132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80278287 (or 80278285 counting only the distinct ones).

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

The square root of 321113132 is about 17919.6297952832. The cubic root of 321113132 is about 684.7825562336.

Adding to 321113132 its reverse (231311123), we get a palindrome (552424255).

The spelling of 321113132 in words is "three hundred twenty-one million, one hundred thirteen thousand, one hundred thirty-two".