213242124343 has 16 divisors (see below), whose sum is σ = 224103682656. Its totient is φ = 202718799360.

The previous prime is 213242124331. The next prime is 213242124367. The reversal of 213242124343 is 343421242312.

It is a de Polignac number, because none of the positive numbers 2^k-213242124343 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 (213242124373) 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, 180780 + ... + 677617.

It is an arithmetic number, because the mean of its divisors is an integer number (14006480166).

Almost surely, 2^213242124343 is an apocalyptic number.

213242124343 is a deficient number, since it is larger than the sum of its proper divisors (10861558313).

213242124343 is an equidigital number, since it uses as much as digits as its factorization.

213242124343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858594.

The product of its digits is 27648, while the sum is 31.

Adding to 213242124343 its reverse (343421242312), we get a palindrome (556663366655).

The spelling of 213242124343 in words is "two hundred thirteen billion, two hundred forty-two million, one hundred twenty-four thousand, three hundred forty-three".