321001133443044 has 48 divisors (see below), whose sum is σ = 764996347116288. Its totient is φ = 104715905302528.

The previous prime is 321001133443031. The next prime is 321001133443051. The reversal of 321001133443044 is 440344331100123.

It is a super-2 number, since 2×321001133443044² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321001133442996 and 321001133443014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13867227 + ... + 28884290.

It is an arithmetic number, because the mean of its divisors is an integer number (15937423898256).

Almost surely, 2^{321001133443044} is an apocalyptic number.

It is an amenable number.

321001133443044 is an abundant number, since it is smaller than the sum of its proper divisors (443995213673244).

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

321001133443044 is a wasteful number, since it uses less digits than its factorization.

321001133443044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42764884 (or 42764882 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 321001133443044 its reverse (440344331100123), we get a palindrome (761345464543167).

The spelling of 321001133443044 in words is "three hundred twenty-one trillion, one billion, one hundred thirty-three million, four hundred forty-three thousand, forty-four".