1321340302304 has 48 divisors (see below), whose sum is σ = 2838692304000. Its totient is φ = 600437016960.

The previous prime is 1321340302259. The next prime is 1321340302343. The reversal of 1321340302304 is 4032030431231.

It is a super-2 number, since 2×1321340302304² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695237 + ... + 1768059.

It is an arithmetic number, because the mean of its divisors is an integer number (59139423000).

Almost surely, 2^{1321340302304} is an apocalyptic number.

It is an amenable number.

1321340302304 is an abundant number, since it is smaller than the sum of its proper divisors (1517352001696).

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

1321340302304 is a wasteful number, since it uses less digits than its factorization.

1321340302304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076343 (or 1076335 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1321340302304 its reverse (4032030431231), we get a palindrome (5353370733535).

The spelling of 1321340302304 in words is "one trillion, three hundred twenty-one billion, three hundred forty million, three hundred two thousand, three hundred four".