2131131312300 has 144 divisors (see below), whose sum is σ = 6335233269120. Its totient is φ = 552909527040.

The previous prime is 2131131312263. The next prime is 2131131312379. The reversal of 2131131312300 is 32131311312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1096267 + ... + 2337533.

It is an arithmetic number, because the mean of its divisors is an integer number (43994675480).

Almost surely, 2^{2131131312300} is an apocalyptic number.

2131131312300 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 2131131312300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3167616634560).

2131131312300 is an abundant number, since it is smaller than the sum of its proper divisors (4204101956820).

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

2131131312300 is a wasteful number, since it uses less digits than its factorization.

2131131312300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241440 (or 1241433 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2131131312300 its reverse (32131311312), we get a palindrome (2163262623612).

The spelling of 2131131312300 in words is "two trillion, one hundred thirty-one billion, one hundred thirty-one million, three hundred twelve thousand, three hundred".