1303111313000 has 256 divisors, whose sum is σ = 3529486172160. Its totient is φ = 441098784000.

The previous prime is 1303111312981. The next prime is 1303111313003. The reversal of 1303111313000 is 3131113031.

It is a self number, because there is not a number n which added to its sum of digits gives 1303111313000.

It is not an unprimeable number, because it can be changed into a prime (1303111313003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 187575527 + ... + 187582473.

It is an arithmetic number, because the mean of its divisors is an integer number (13787055360).

Almost surely, 2^{1303111313000} is an apocalyptic number.

1303111313000 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 1303111313000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1764743086080).

1303111313000 is an abundant number, since it is smaller than the sum of its proper divisors (2226374859160).

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

1303111313000 is a wasteful number, since it uses less digits than its factorization.

1303111313000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7313 (or 7299 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 1303111313000 its reverse (3131113031), we get a palindrome (1306242426031).

The spelling of 1303111313000 in words is "one trillion, three hundred three billion, one hundred eleven million, three hundred thirteen thousand".