2131100212303 has 4 divisors (see below), whose sum is σ = 2131104291808. Its totient is φ = 2131096132800.

The previous prime is 2131100212271. The next prime is 2131100212321. The reversal of 2131100212303 is 3032120011312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2131100212303 - 2⁵ = 2131100212271 is a prime.

It is a super-2 number, since 2×2131100212303² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131100212603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117026 + ... + 2347327.

It is an arithmetic number, because the mean of its divisors is an integer number (532776072952).

Almost surely, 2^{2131100212303} is an apocalyptic number.

2131100212303 is a deficient number, since it is larger than the sum of its proper divisors (4079505).

2131100212303 is an equidigital number, since it uses as much as digits as its factorization.

2131100212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079504.

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

Adding to 2131100212303 its reverse (3032120011312), we get a palindrome (5163220223615).

The spelling of 2131100212303 in words is "two trillion, one hundred thirty-one billion, one hundred million, two hundred twelve thousand, three hundred three".