2131030210100 has 144 divisors (see below), whose sum is σ = 5181866839296. Its totient is φ = 754045248000.

The previous prime is 2131030210091. The next prime is 2131030210123. The reversal of 2131030210100 is 10120301312.

It is a congruent 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, 8824970 + ... + 9063230.

It is an arithmetic number, because the mean of its divisors is an integer number (35985186384).

Almost surely, 2^{2131030210100} is an apocalyptic number.

2131030210100 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 2131030210100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2590933419648).

2131030210100 is an abundant number, since it is smaller than the sum of its proper divisors (3050836629196).

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

2131030210100 is a wasteful number, since it uses less digits than its factorization.

2131030210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238506 (or 238499 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 2131030210100 its reverse (10120301312), we get a palindrome (2141150511412).

The spelling of 2131030210100 in words is "two trillion, one hundred thirty-one billion, thirty million, two hundred ten thousand, one hundred".