323212222132331 has 32 divisors (see below), whose sum is σ = 399109007894400. Its totient is φ = 260734047479808.

The previous prime is 323212222132259. The next prime is 323212222132339. The reversal of 323212222132331 is 133231222212323.

It is a de Polignac number, because none of the positive numbers 2^k-323212222132331 is a prime.

It is a super-2 number, since 2×323212222132331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323212222132339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179239955 + ... + 181034211.

It is an arithmetic number, because the mean of its divisors is an integer number (12472156496700).

Almost surely, 2^{323212222132331} is an apocalyptic number.

323212222132331 is a deficient number, since it is larger than the sum of its proper divisors (75896785762069).

323212222132331 is a wasteful number, since it uses less digits than its factorization.

323212222132331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825188 (or 1825174 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

Adding to 323212222132331 its reverse (133231222212323), we get a palindrome (456443444344654).

The spelling of 323212222132331 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred twenty-two million, one hundred thirty-two thousand, three hundred thirty-one".