323130331132220 has 48 divisors (see below), whose sum is σ = 694371978144768. Its totient is φ = 126243087243840.

The previous prime is 323130331132183. The next prime is 323130331132229. The reversal of 323130331132220 is 22231133031323.

It is a super-4 number, since 4×323130331132220⁴ (a number of 59 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323130331132229) by changing a digit.

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, 29553725 + ... + 38983115.

It is an arithmetic number, because the mean of its divisors is an integer number (14466082878016).

Almost surely, 2^{323130331132220} is an apocalyptic number.

It is an amenable number.

323130331132220 is an abundant number, since it is smaller than the sum of its proper divisors (371241647012548).

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

323130331132220 is a wasteful number, since it uses less digits than its factorization.

323130331132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9469290 (or 9469288 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 323130331132220 its reverse (22231133031323), we get a palindrome (345361464163543).

The spelling of 323130331132220 in words is "three hundred twenty-three trillion, one hundred thirty billion, three hundred thirty-one million, one hundred thirty-two thousand, two hundred twenty".