213444043341 has 4 divisors (see below), whose sum is σ = 284592057792. Its totient is φ = 142296028892.

The previous prime is 213444043327. The next prime is 213444043391. The reversal of 213444043341 is 143340444312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213444043341 - 2⁶ = 213444043277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213444043321) 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, 35574007221 + ... + 35574007226.

It is an arithmetic number, because the mean of its divisors is an integer number (71148014448).

Almost surely, 2^213444043341 is an apocalyptic number.

It is an amenable number.

213444043341 is a deficient number, since it is larger than the sum of its proper divisors (71148014451).

213444043341 is an equidigital number, since it uses as much as digits as its factorization.

213444043341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71148014450.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 213444043341 its reverse (143340444312), we get a palindrome (356784487653).

The spelling of 213444043341 in words is "two hundred thirteen billion, four hundred forty-four million, forty-three thousand, three hundred forty-one".