1323521031324 has 96 divisors (see below), whose sum is σ = 3249067852800. Its totient is φ = 418850611200.

The previous prime is 1323521031311. The next prime is 1323521031359. The reversal of 1323521031324 is 4231301253231.

It is a junction number, because it is equal to n+sod(n) for n = 1323521031291 and 1323521031300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5617852 + ... + 5848700.

It is an arithmetic number, because the mean of its divisors is an integer number (33844456800).

Almost surely, 2^{1323521031324} is an apocalyptic number.

It is an amenable number.

1323521031324 is an abundant number, since it is smaller than the sum of its proper divisors (1925546821476).

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

1323521031324 is a wasteful number, since it uses less digits than its factorization.

1323521031324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231211 (or 231209 counting only the distinct ones).

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

Adding to 1323521031324 its reverse (4231301253231), we get a palindrome (5554822284555).

The spelling of 1323521031324 in words is "one trillion, three hundred twenty-three billion, five hundred twenty-one million, thirty-one thousand, three hundred twenty-four".