323211303020 has 48 divisors (see below), whose sum is σ = 679990671360. Its totient is φ = 129047185344.

The previous prime is 323211303017. The next prime is 323211303029. The reversal of 323211303020 is 20303112323.

It is a super-3 number, since 3×323211303020³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 323211302983 and 323211303001.

It is not an unprimeable number, because it can be changed into a prime (323211303029) 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, 45346697 + ... + 45353823.

It is an arithmetic number, because the mean of its divisors is an integer number (14166472320).

Almost surely, 2^323211303020 is an apocalyptic number.

It is an amenable number.

323211303020 is an abundant number, since it is smaller than the sum of its proper divisors (356779368340).

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

323211303020 is a wasteful number, since it uses less digits than its factorization.

323211303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10982 (or 10980 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 323211303020 its reverse (20303112323), we get a palindrome (343514415343).

The spelling of 323211303020 in words is "three hundred twenty-three billion, two hundred eleven million, three hundred three thousand, twenty".