20130213343 has 4 divisors (see below), whose sum is σ = 20329522488. Its totient is φ = 19930904200.

The previous prime is 20130213329. The next prime is 20130213379. The reversal of 20130213343 is 34331203102.

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 20130213343 - 2⁹ = 20130212831 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 (20130216343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99654421 + ... + 99654622.

It is an arithmetic number, because the mean of its divisors is an integer number (5082380622).

Almost surely, 2^20130213343 is an apocalyptic number.

20130213343 is a deficient number, since it is larger than the sum of its proper divisors (199309145).

20130213343 is a wasteful number, since it uses less digits than its factorization.

20130213343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199309144.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20130213343 its reverse (34331203102), we get a palindrome (54461416445).

The spelling of 20130213343 in words is "twenty billion, one hundred thirty million, two hundred thirteen thousand, three hundred forty-three".