321103132 has 12 divisors (see below), whose sum is σ = 642206320. Its totient is φ = 137615616.

The previous prime is 321103127. The next prime is 321103141. The reversal of 321103132 is 231301123.

321103132 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5733957 + ... + 5734012.

Almost surely, 2^321103132 is an apocalyptic number.

It is an amenable number.

321103132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

321103132 is a wasteful number, since it uses less digits than its factorization.

321103132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11467980 (or 11467978 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 321103132 is about 17919.3507694894. The cubic root of 321103132 is about 684.7754477352.

Adding to 321103132 its reverse (231301123), we get a palindrome (552404255).

The spelling of 321103132 in words is "three hundred twenty-one million, one hundred three thousand, one hundred thirty-two".