1321303044344 has 16 divisors (see below), whose sum is σ = 2477844636120. Its totient is φ = 660544474720.

The previous prime is 1321303044317. The next prime is 1321303044349. The reversal of 1321303044344 is 4434403031231.

It is a self number, because there is not a number n which added to its sum of digits gives 1321303044344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321303044349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13328462 + ... + 13427229.

Almost surely, 2^{1321303044344} is an apocalyptic number.

It is an amenable number.

1321303044344 is a deficient number, since it is larger than the sum of its proper divisors (1156541591776).

1321303044344 is a wasteful number, since it uses less digits than its factorization.

1321303044344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26761870 (or 26761866 counting only the distinct ones).

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

Adding to 1321303044344 its reverse (4434403031231), we get a palindrome (5755706075575).

The spelling of 1321303044344 in words is "one trillion, three hundred twenty-one billion, three hundred three million, forty-four thousand, three hundred forty-four".