1311303133200 has 60 divisors (see below), whose sum is σ = 4200541040528. Its totient is φ = 349680835200.

The previous prime is 1311303133171. The next prime is 1311303133207. The reversal of 1311303133200 is 23313031131.

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (1311303133207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546375106 + ... + 546377505.

Almost surely, 2^{1311303133200} is an apocalyptic number.

1311303133200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311303133200 is an abundant number, since it is smaller than the sum of its proper divisors (2889237907328).

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

1311303133200 is a wasteful number, since it uses less digits than its factorization.

1311303133200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092752632 (or 1092752621 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1311303133200 its reverse (23313031131), we get a palindrome (1334616164331).

The spelling of 1311303133200 in words is "one trillion, three hundred eleven billion, three hundred three million, one hundred thirty-three thousand, two hundred".