321132242532 has 24 divisors (see below), whose sum is σ = 749810488896. Its totient is φ = 106972377568.

The previous prime is 321132242513. The next prime is 321132242579. The reversal of 321132242532 is 235242231123.

It is a self number, because there is not a number n which added to its sum of digits gives 321132242532.

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, 8944248 + ... + 8980079.

It is an arithmetic number, because the mean of its divisors is an integer number (31242103704).

Almost surely, 2^321132242532 is an apocalyptic number.

It is an amenable number.

321132242532 is an abundant number, since it is smaller than the sum of its proper divisors (428678246364).

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

321132242532 is a wasteful number, since it uses less digits than its factorization.

321132242532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17925827 (or 17925825 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 321132242532 its reverse (235242231123), we get a palindrome (556374473655).

The spelling of 321132242532 in words is "three hundred twenty-one billion, one hundred thirty-two million, two hundred forty-two thousand, five hundred thirty-two".