2143323131213 has 16 divisors (see below), whose sum is σ = 2367945404160. Its totient is φ = 1923667012800.

The previous prime is 2143323131113. The next prime is 2143323131237. The reversal of 2143323131213 is 3121313233412.

It is a cyclic number.

It is not a de Polignac number, because 2143323131213 - 2³⁴ = 2126143262029 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 (2143323131273) 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, 12481331 + ... + 12651887.

It is an arithmetic number, because the mean of its divisors is an integer number (147996587760).

Almost surely, 2^{2143323131213} is an apocalyptic number.

It is an amenable number.

2143323131213 is a deficient number, since it is larger than the sum of its proper divisors (224622272947).

2143323131213 is a wasteful number, since it uses less digits than its factorization.

2143323131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185108.

The product of its digits is 7776, while the sum is 29.

Adding to 2143323131213 its reverse (3121313233412), we get a palindrome (5264636364625).

The spelling of 2143323131213 in words is "two trillion, one hundred forty-three billion, three hundred twenty-three million, one hundred thirty-one thousand, two hundred thirteen".