323141331220 has 24 divisors (see below), whose sum is σ = 678665421000. Its totient is φ = 129243460992.

The previous prime is 323141331199. The next prime is 323141331223. The reversal of 323141331220 is 22133141323.

It can be written as a sum of positive squares in 4 ways, for example, as 739948804 + 322401382416 = 27202^2 + 567804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323141331223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613015 + ... + 1010974.

It is an arithmetic number, because the mean of its divisors is an integer number (28277725875).

Almost surely, 2^323141331220 is an apocalyptic number.

It is an amenable number.

323141331220 is an abundant number, since it is smaller than the sum of its proper divisors (355524089780).

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

323141331220 is a wasteful number, since it uses less digits than its factorization.

323141331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633947 (or 1633945 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 323141331220 its reverse (22133141323), we get a palindrome (345274472543).

The spelling of 323141331220 in words is "three hundred twenty-three billion, one hundred forty-one million, three hundred thirty-one thousand, two hundred twenty".