1331003032320 has 144 divisors (see below), whose sum is σ = 4577882716512. Its totient is φ = 327631503360.

The previous prime is 1331003032309. The next prime is 1331003032343. The reversal of 1331003032320 is 232303001331.

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 15 ways as a sum of consecutive naturals, for example, 13281441 + ... + 13381280.

It is an arithmetic number, because the mean of its divisors is an integer number (31790852198).

Almost surely, 2^{1331003032320} is an apocalyptic number.

1331003032320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331003032320 is an abundant number, since it is smaller than the sum of its proper divisors (3246879684192).

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

1331003032320 is a wasteful number, since it uses less digits than its factorization.

1331003032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26662758 (or 26662744 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 1331003032320 its reverse (232303001331), we get a palindrome (1563306033651).

The spelling of 1331003032320 in words is "one trillion, three hundred thirty-one billion, three million, thirty-two thousand, three hundred twenty".