2131031010000 has 100 divisors (see below), whose sum is σ = 6879252334592. Its totient is φ = 568274928000.

The previous prime is 2131031009959. The next prime is 2131031010013. The reversal of 2131031010000 is 101301312.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35487184 + ... + 35547183.

Almost surely, 2^{2131031010000} is an apocalyptic number.

2131031010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131031010000 is an abundant number, since it is smaller than the sum of its proper divisors (4748221324592).

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

2131031010000 is an equidigital number, since it uses as much as digits as its factorization.

2131031010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71034398 (or 71034377 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 2131031010000 its reverse (101301312), we get a palindrome (2131132311312).

The spelling of 2131031010000 in words is "two trillion, one hundred thirty-one billion, thirty-one million, ten thousand".