321032112 has 40 divisors (see below), whose sum is σ = 830917056. Its totient is φ = 106806336.

The previous prime is 321032099. The next prime is 321032119. The reversal of 321032112 is 211230123.

It is a junction number, because it is equal to n+sod(n) for n = 321032091 and 321032100.

It is not an unprimeable number, because it can be changed into a prime (321032119) 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 in 7 ways as a sum of consecutive naturals, for example, 20143 + ... + 32369.

Almost surely, 2^321032112 is an apocalyptic number.

It is an amenable number.

321032112 is an abundant number, since it is smaller than the sum of its proper divisors (509884944).

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

321032112 is a wasteful number, since it uses less digits than its factorization.

321032112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12785 (or 12779 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 321032112 is about 17917.3690032884. The cubic root of 321032112 is about 684.7249589323.

Adding to 321032112 its reverse (211230123), we get a palindrome (532262235).

The spelling of 321032112 in words is "three hundred twenty-one million, thirty-two thousand, one hundred twelve".