2131112320213 has 4 divisors (see below), whose sum is σ = 2243276126560. Its totient is φ = 2018948513868.

The previous prime is 2131112320189. The next prime is 2131112320231. The reversal of 2131112320213 is 3120232111312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2131112320213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131112324213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 56081903145 + ... + 56081903182.

It is an arithmetic number, because the mean of its divisors is an integer number (560819031640).

Almost surely, 2^{2131112320213} is an apocalyptic number.

It is an amenable number.

2131112320213 is a deficient number, since it is larger than the sum of its proper divisors (112163806347).

2131112320213 is a wasteful number, since it uses less digits than its factorization.

2131112320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112163806346.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2131112320213 its reverse (3120232111312), we get a palindrome (5251344431525).

The spelling of 2131112320213 in words is "two trillion, one hundred thirty-one billion, one hundred twelve million, three hundred twenty thousand, two hundred thirteen".