1331003322320 has 40 divisors (see below), whose sum is σ = 3536665972224. Its totient is φ = 456343996032.

The previous prime is 1331003322289. The next prime is 1331003322361. The reversal of 1331003322320 is 232233001331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 1188395264 + ... + 1188396383.

Almost surely, 2^{1331003322320} is an apocalyptic number.

1331003322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331003322320 is an abundant number, since it is smaller than the sum of its proper divisors (2205662649904).

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

1331003322320 is a wasteful number, since it uses less digits than its factorization.

1331003322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376791667 (or 2376791661 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1331003322320 its reverse (232233001331), we get a palindrome (1563236323651).

The spelling of 1331003322320 in words is "one trillion, three hundred thirty-one billion, three million, three hundred twenty-two thousand, three hundred twenty".