323431212 has 24 divisors (see below), whose sum is σ = 812724976. Its totient is φ = 99517248.

The previous prime is 323431201. The next prime is 323431217. The reversal of 323431212 is 212134323.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (323431217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036483 + ... + 1036794.

Almost surely, 2^323431212 is an apocalyptic number.

It is an amenable number.

323431212 is an abundant number, since it is smaller than the sum of its proper divisors (489293764).

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

323431212 is a wasteful number, since it uses less digits than its factorization.

323431212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073297 (or 2073295 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 323431212 is about 17984.1933930883. The cubic root of 323431212 is about 686.4263967033.

Adding to 323431212 its reverse (212134323), we get a palindrome (535565535).

The spelling of 323431212 in words is "three hundred twenty-three million, four hundred thirty-one thousand, two hundred twelve".