1303331320000 has 140 divisors (see below), whose sum is σ = 3232985188576. Its totient is φ = 521147520000.

The previous prime is 1303331319991. The next prime is 1303331320001. The reversal of 1303331320000 is 231333031.

It is a self number, because there is not a number n which added to its sum of digits gives 1303331320000.

It is not an unprimeable number, because it can be changed into a prime (1303331320001) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 194436649 + ... + 194443351.

Almost surely, 2^{1303331320000} is an apocalyptic number.

1303331320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303331320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616492594288).

1303331320000 is an abundant number, since it is smaller than the sum of its proper divisors (1929653868576).

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

1303331320000 is an frugal number, since it uses more digits than its factorization.

1303331320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11596 (or 11571 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 1303331320000 its reverse (231333031), we get a palindrome (1303562653031).

The spelling of 1303331320000 in words is "one trillion, three hundred three billion, three hundred thirty-one million, three hundred twenty thousand".