323131210212 has 24 divisors (see below), whose sum is σ = 754511800000. Its totient is φ = 107633406816.

The previous prime is 323131210159. The next prime is 323131210223. The reversal of 323131210212 is 212012131323.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9607087 + ... + 9640662.

Almost surely, 2^323131210212 is an apocalyptic number.

It is an amenable number.

323131210212 is an abundant number, since it is smaller than the sum of its proper divisors (431380589788).

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

323131210212 is a wasteful number, since it uses less digits than its factorization.

323131210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19249155 (or 19249153 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 323131210212 its reverse (212012131323), we get a palindrome (535143341535).

The spelling of 323131210212 in words is "three hundred twenty-three billion, one hundred thirty-one million, two hundred ten thousand, two hundred twelve".