321032213313112 has 32 divisors (see below), whose sum is σ = 688032810846720. Its totient is φ = 137563906384800.

The previous prime is 321032213313067. The next prime is 321032213313113. The reversal of 321032213313112 is 211313312230123.

It is a super-2 number, since 2×321032213313112² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321032213313113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443966608 + ... + 444689119.

It is an arithmetic number, because the mean of its divisors is an integer number (21501025338960).

Almost surely, 2^{321032213313112} is an apocalyptic number.

It is an amenable number.

321032213313112 is an abundant number, since it is smaller than the sum of its proper divisors (367000597533608).

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

321032213313112 is a wasteful number, since it uses less digits than its factorization.

321032213313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888662191 (or 888662187 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 321032213313112 its reverse (211313312230123), we get a palindrome (532345525543235).

The spelling of 321032213313112 in words is "three hundred twenty-one trillion, thirty-two billion, two hundred thirteen million, three hundred thirteen thousand, one hundred twelve".