321048112 has 80 divisors (see below), whose sum is σ = 796591872. Its totient is φ = 121685760.

The previous prime is 321048109. The next prime is 321048113. The reversal of 321048112 is 211840123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (321048113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42063 + ... + 49105.

Almost surely, 2^321048112 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 321048112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398295936).

321048112 is an abundant number, since it is smaller than the sum of its proper divisors (475543760).

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

321048112 is a wasteful number, since it uses less digits than its factorization.

321048112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7106 (or 7100 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 321048112 is about 17917.8154918506. The cubic root of 321048112 is about 684.7363341363.

Adding to 321048112 its reverse (211840123), we get a palindrome (532888235).

The spelling of 321048112 in words is "three hundred twenty-one million, forty-eight thousand, one hundred twelve".