321135305325464 has 96 divisors (see below), whose sum is σ = 737719879495680. Its totient is φ = 130415196453696.

The previous prime is 321135305325353. The next prime is 321135305325469. The reversal of 321135305325464 is 464523503531123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321135305325469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165476312 + ... + 167405735.

It is an arithmetic number, because the mean of its divisors is an integer number (7684582078080).

Almost surely, 2^{321135305325464} is an apocalyptic number.

It is an amenable number.

321135305325464 is an abundant number, since it is smaller than the sum of its proper divisors (416584574170216).

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

321135305325464 is a wasteful number, since it uses less digits than its factorization.

321135305325464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332882197 (or 332882186 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 47.

Adding to 321135305325464 its reverse (464523503531123), we get a palindrome (785658808856587).

The spelling of 321135305325464 in words is "three hundred twenty-one trillion, one hundred thirty-five billion, three hundred five million, three hundred twenty-five thousand, four hundred sixty-four".