1311322404200 has 24 divisors (see below), whose sum is σ = 3048824590230. Its totient is φ = 524528961600.

The previous prime is 1311322404181. The next prime is 1311322404211. The reversal of 1311322404200 is 24042231131.

It can be written as a sum of positive squares in 3 ways, for example, as 934775718244 + 376546685956 = 966838^2 + 613634^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3278305811 + ... + 3278306210.

Almost surely, 2^{1311322404200} is an apocalyptic number.

1311322404200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311322404200 is an abundant number, since it is smaller than the sum of its proper divisors (1737502186030).

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

1311322404200 is a wasteful number, since it uses less digits than its factorization.

1311322404200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556612037 (or 6556612028 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1311322404200 its reverse (24042231131), we get a palindrome (1335364635331).

The spelling of 1311322404200 in words is "one trillion, three hundred eleven billion, three hundred twenty-two million, four hundred four thousand, two hundred".