323212021131320 has 16 divisors (see below), whose sum is σ = 727227047545560. Its totient is φ = 129284808452512.

The previous prime is 323212021131317. The next prime is 323212021131353. The reversal of 323212021131320 is 23131120212323.

It is a super-3 number, since 3×323212021131320³ (a number of 45 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323212021131320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4040150264102 + ... + 4040150264181.

Almost surely, 2^{323212021131320} is an apocalyptic number.

It is an amenable number.

323212021131320 is an abundant number, since it is smaller than the sum of its proper divisors (404015026414240).

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

323212021131320 is a wasteful number, since it uses less digits than its factorization.

323212021131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8080300528294 (or 8080300528290 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 323212021131320 its reverse (23131120212323), we get a palindrome (346343141343643).

The spelling of 323212021131320 in words is "three hundred twenty-three trillion, two hundred twelve billion, twenty-one million, one hundred thirty-one thousand, three hundred twenty".