323131330 has 16 divisors (see below), whose sum is σ = 589000320. Its totient is φ = 127616112.

The previous prime is 323131313. The next prime is 323131331. The reversal of 323131330 is 33131323.

323131330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 323131298 and 323131307.

It is not an unprimeable number, because it can be changed into a prime (323131331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203724 + ... + 205303.

It is an arithmetic number, because the mean of its divisors is an integer number (36812520).

Almost surely, 2^323131330 is an apocalyptic number.

323131330 is a deficient number, since it is larger than the sum of its proper divisors (265868990).

323131330 is a wasteful number, since it uses less digits than its factorization.

323131330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409113.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 323131330 is about 17975.8540826298. The cubic root of 323131330 is about 686.2141820030.

Adding to 323131330 its reverse (33131323), we get a palindrome (356262653).

The spelling of 323131330 in words is "three hundred twenty-three million, one hundred thirty-one thousand, three hundred thirty".