2131101230320 has 40 divisors (see below), whose sum is σ = 4972318577136. Its totient is φ = 849428325888.

The previous prime is 2131101230311. The next prime is 2131101230327. The reversal of 2131101230320 is 230321011312.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131101230327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47042317 + ... + 47087596.

Almost surely, 2^{2131101230320} is an apocalyptic number.

2131101230320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131101230320 is an abundant number, since it is smaller than the sum of its proper divisors (2841217346816).

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

2131101230320 is a wasteful number, since it uses less digits than its factorization.

2131101230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94130209 (or 94130203 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2131101230320 its reverse (230321011312), we get a palindrome (2361422241632).

The spelling of 2131101230320 in words is "two trillion, one hundred thirty-one billion, one hundred one million, two hundred thirty thousand, three hundred twenty".