213104340455 has 4 divisors (see below), whose sum is σ = 255725208552. Its totient is φ = 170483472360.

The previous prime is 213104340443. The next prime is 213104340467. The reversal of 213104340455 is 554043401312.

213104340455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (213104340443) and next prime (213104340467).

It is not a de Polignac number, because 213104340455 - 2¹⁰ = 213104339431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21310434041 + ... + 21310434050.

It is an arithmetic number, because the mean of its divisors is an integer number (63931302138).

Almost surely, 2^213104340455 is an apocalyptic number.

213104340455 is a deficient number, since it is larger than the sum of its proper divisors (42620868097).

213104340455 is an equidigital number, since it uses as much as digits as its factorization.

213104340455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42620868096.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 213104340455 its reverse (554043401312), we get a palindrome (767147741767).

The spelling of 213104340455 in words is "two hundred thirteen billion, one hundred four million, three hundred forty thousand, four hundred fifty-five".