2131113013213 has 16 divisors (see below), whose sum is σ = 2228735356416. Its totient is φ = 2033908462080.

The previous prime is 2131113013199. The next prime is 2131113013231. The reversal of 2131113013213 is 3123103111312.

It is a cyclic number.

It is not a de Polignac number, because 2131113013213 - 2⁹ = 2131113012701 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 (2131113019213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23881468 + ... + 23970538.

It is an arithmetic number, because the mean of its divisors is an integer number (139295959776).

Almost surely, 2^{2131113013213} is an apocalyptic number.

2131113013213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2131113013213 is a deficient number, since it is larger than the sum of its proper divisors (97622343203).

2131113013213 is a wasteful number, since it uses less digits than its factorization.

2131113013213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91404.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 2131113013213 its reverse (3123103111312), we get a palindrome (5254216124525).

The spelling of 2131113013213 in words is "two trillion, one hundred thirty-one billion, one hundred thirteen million, thirteen thousand, two hundred thirteen".