213243133341 has 16 divisors (see below), whose sum is σ = 325001812608. Its totient is φ = 121830758400.

The previous prime is 213243133303. The next prime is 213243133357. The reversal of 213243133341 is 143331342312.

It is not a de Polignac number, because 213243133341 - 2¹⁸ = 213242871197 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213243133299 and 213243133308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213243233341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818880 + ... + 1047401.

It is an arithmetic number, because the mean of its divisors is an integer number (20312613288).

Almost surely, 2^213243133341 is an apocalyptic number.

213243133341 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

213243133341 is a deficient number, since it is larger than the sum of its proper divisors (111758679267).

213243133341 is a wasteful number, since it uses less digits than its factorization.

213243133341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871732.

The product of its digits is 15552, while the sum is 30.

Adding to 213243133341 its reverse (143331342312), we get a palindrome (356574475653).

The spelling of 213243133341 in words is "two hundred thirteen billion, two hundred forty-three million, one hundred thirty-three thousand, three hundred forty-one".