1311032200000 has 168 divisors, whose sum is σ = 3393159323904. Its totient is φ = 501610560000.

The previous prime is 1311032199973. The next prime is 1311032200057. The reversal of 1311032200000 is 22301131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4457497 + ... + 4742503.

It is an arithmetic number, because the mean of its divisors is an integer number (20197376928).

Almost surely, 2^{1311032200000} is an apocalyptic number.

1311032200000 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 1311032200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696579661952).

1311032200000 is an abundant number, since it is smaller than the sum of its proper divisors (2082127123904).

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

1311032200000 is an frugal number, since it uses more digits than its factorization.

1311032200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285067 (or 285037 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1311032200000 its reverse (22301131), we get a palindrome (1311054501131).

The spelling of 1311032200000 in words is "one trillion, three hundred eleven billion, thirty-two million, two hundred thousand".