321133423232 has 64 divisors (see below), whose sum is σ = 641213012160. Its totient is φ = 160202065920.

The previous prime is 321133423199. The next prime is 321133423253. The reversal of 321133423232 is 232324331123.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 321133423195 and 321133423204.

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, 186596132 + ... + 186597852.

It is an arithmetic number, because the mean of its divisors is an integer number (10018953315).

Almost surely, 2^321133423232 is an apocalyptic number.

321133423232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321133423232 is a deficient number, since it is larger than the sum of its proper divisors (320079588928).

321133423232 is a wasteful number, since it uses less digits than its factorization.

321133423232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201 (or 4189 counting only the distinct ones).

The product of its digits is 15552, while the sum is 29.

Adding to 321133423232 its reverse (232324331123), we get a palindrome (553457754355).

The spelling of 321133423232 in words is "three hundred twenty-one billion, one hundred thirty-three million, four hundred twenty-three thousand, two hundred thirty-two".