213530422343 has 16 divisors (see below), whose sum is σ = 262246328064. Its totient is φ = 169688787840.

The previous prime is 213530422331. The next prime is 213530422351. The reversal of 213530422343 is 343224035312.

It is a cyclic number.

It is not a de Polignac number, because 213530422343 - 2⁶ = 213530422279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213530422363) 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, 13382873 + ... + 13398818.

It is an arithmetic number, because the mean of its divisors is an integer number (16390395504).

Almost surely, 2^213530422343 is an apocalyptic number.

213530422343 is a deficient number, since it is larger than the sum of its proper divisors (48715905721).

213530422343 is a wasteful number, since it uses less digits than its factorization.

213530422343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26781782.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 213530422343 its reverse (343224035312), we get a palindrome (556754457655).

The spelling of 213530422343 in words is "two hundred thirteen billion, five hundred thirty million, four hundred twenty-two thousand, three hundred forty-three".