2131311301200 has 360 divisors, whose sum is σ = 7676289269376. Its totient is φ = 567896832000.

The previous prime is 2131311301193. The next prime is 2131311301243. The reversal of 2131311301200 is 21031131312.

2131311301200 is a `hidden beast` number, since 2 + 1 + 31 + 311 + 301 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 132281145 + ... + 132297255.

Almost surely, 2^{2131311301200} is an apocalyptic number.

2131311301200 is a gapful number since it is divisible by the number (20) 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 2131311301200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3838144634688).

2131311301200 is an abundant number, since it is smaller than the sum of its proper divisors (5544977968176).

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

2131311301200 is a wasteful number, since it uses less digits than its factorization.

2131311301200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17505 (or 17482 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2131311301200 its reverse (21031131312), we get a palindrome (2152342432512).

The spelling of 2131311301200 in words is "two trillion, one hundred thirty-one billion, three hundred eleven million, three hundred one thousand, two hundred".