323311142 has 32 divisors (see below), whose sum is σ = 605574144. Its totient is φ = 125769600.

The previous prime is 323311133. The next prime is 323311147. The reversal of 323311142 is 241113323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323311147) 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 15 ways as a sum of consecutive naturals, for example, 134483 + ... + 136865.

It is an arithmetic number, because the mean of its divisors is an integer number (18924192).

Almost surely, 2^323311142 is an apocalyptic number.

323311142 is a deficient number, since it is larger than the sum of its proper divisors (282263002).

323311142 is a wasteful number, since it uses less digits than its factorization.

323311142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284.

The product of its digits is 432, while the sum is 20.

The square root of 323311142 is about 17980.8548740042. The cubic root of 323311142 is about 686.3414436380.

Adding to 323311142 its reverse (241113323), we get a palindrome (564424465).

The spelling of 323311142 in words is "three hundred twenty-three million, three hundred eleven thousand, one hundred forty-two".