213144120421341 has 4 divisors (see below), whose sum is σ = 284192160561792. Its totient is φ = 142096080280892.

The previous prime is 213144120421321. The next prime is 213144120421343. The reversal of 213144120421341 is 143124021441312.

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 213144120421341 - 2⁴² = 208746073910237 is a prime.

It is a super-2 number, since 2×213144120421341² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213144120421343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35524020070221 + ... + 35524020070226.

It is an arithmetic number, because the mean of its divisors is an integer number (71048040140448).

Almost surely, 2^{213144120421341} is an apocalyptic number.

It is an amenable number.

213144120421341 is a deficient number, since it is larger than the sum of its proper divisors (71048040140451).

213144120421341 is an equidigital number, since it uses as much as digits as its factorization.

213144120421341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71048040140450.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 213144120421341 its reverse (143124021441312), we get a palindrome (356268141862653).

The spelling of 213144120421341 in words is "two hundred thirteen trillion, one hundred forty-four billion, one hundred twenty million, four hundred twenty-one thousand, three hundred forty-one".