1321324303244 has 144 divisors (see below), whose sum is σ = 2598865317888. Its totient is φ = 587275920000.

The previous prime is 1321324303241. The next prime is 1321324303259. The reversal of 1321324303244 is 4423034231231.

It is a self number, because there is not a number n which added to its sum of digits gives 1321324303244.

It is not an unprimeable number, because it can be changed into a prime (1321324303241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2054936387 + ... + 2054937029.

Almost surely, 2^{1321324303244} is an apocalyptic number.

It is an amenable number.

1321324303244 is a deficient number, since it is larger than the sum of its proper divisors (1277541014644).

1321324303244 is a wasteful number, since it uses less digits than its factorization.

1321324303244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1321324303244 its reverse (4423034231231), we get a palindrome (5744358534475).

The spelling of 1321324303244 in words is "one trillion, three hundred twenty-one billion, three hundred twenty-four million, three hundred three thousand, two hundred forty-four".