321332001344 has 112 divisors (see below), whose sum is σ = 679005203328. Its totient is φ = 150354567168.

The previous prime is 321332001329. The next prime is 321332001359. The reversal of 321332001344 is 443100233123.

It is an interprime number because it is at equal distance from previous prime (321332001329) and next prime (321332001359).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199213082 + ... + 199214694.

Almost surely, 2^321332001344 is an apocalyptic number.

321332001344 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321332001344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339502601664).

321332001344 is an abundant number, since it is smaller than the sum of its proper divisors (357673201984).

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

321332001344 is a wasteful number, since it uses less digits than its factorization.

321332001344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572 (or 2562 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 321332001344 its reverse (443100233123), we get a palindrome (764432234467).

The spelling of 321332001344 in words is "three hundred twenty-one billion, three hundred thirty-two million, one thousand, three hundred forty-four".