321151334232 has 64 divisors (see below), whose sum is σ = 815010094080. Its totient is φ = 105433460352.

The previous prime is 321151334183. The next prime is 321151334233. The reversal of 321151334232 is 232433151123.

It is a self number, because there is not a number n which added to its sum of digits gives 321151334232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321151334233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10811833 + ... + 10841495.

It is an arithmetic number, because the mean of its divisors is an integer number (12734532720).

Almost surely, 2^321151334232 is an apocalyptic number.

It is an amenable number.

321151334232 is an abundant number, since it is smaller than the sum of its proper divisors (493858759848).

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

321151334232 is a wasteful number, since it uses less digits than its factorization.

321151334232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36472 (or 36468 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

Adding to 321151334232 its reverse (232433151123), we get a palindrome (553584485355).

The spelling of 321151334232 in words is "three hundred twenty-one billion, one hundred fifty-one million, three hundred thirty-four thousand, two hundred thirty-two".