323141220 has 36 divisors (see below), whose sum is σ = 980195580. Its totient is φ = 86170944.

The previous prime is 323141209. The next prime is 323141233. The reversal of 323141220 is 22141323.

323141220 is a `hidden beast` number, since 3 + 231 + 412 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 160731684 + 162409536 = 12678^2 + 12744^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 323141193 and 323141202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 897435 + ... + 897794.

It is an arithmetic number, because the mean of its divisors is an integer number (27227655).

Almost surely, 2^323141220 is an apocalyptic number.

323141220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323141220 is an abundant number, since it is smaller than the sum of its proper divisors (657054360).

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

323141220 is a wasteful number, since it uses less digits than its factorization.

323141220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795244 (or 1795239 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 323141220 is about 17976.1291717655. The cubic root of 323141220 is about 686.2211828603.

Adding to 323141220 its reverse (22141323), we get a palindrome (345282543).

The spelling of 323141220 in words is "three hundred twenty-three million, one hundred forty-one thousand, two hundred twenty".