321013334020 has 48 divisors (see below), whose sum is σ = 676312660800. Its totient is φ = 127989489024.

The previous prime is 321013333987. The next prime is 321013334029. The reversal of 321013334020 is 20433310123.

It is a junction number, because it is equal to n+sod(n) for n = 321013333982 and 321013334000.

It is not an unprimeable number, because it can be changed into a prime (321013334029) 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, 23075907 + ... + 23089813.

It is an arithmetic number, because the mean of its divisors is an integer number (14089847100).

Almost surely, 2^321013334020 is an apocalyptic number.

It is an amenable number.

321013334020 is an abundant number, since it is smaller than the sum of its proper divisors (355299326780).

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

321013334020 is a wasteful number, since it uses less digits than its factorization.

321013334020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17572 (or 17570 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 321013334020 its reverse (20433310123), we get a palindrome (341446644143).

The spelling of 321013334020 in words is "three hundred twenty-one billion, thirteen million, three hundred thirty-four thousand, twenty".