213303544001 has 4 divisors (see below), whose sum is σ = 213319026900. Its totient is φ = 213288061104.

The previous prime is 213303543991. The next prime is 213303544021. The reversal of 213303544001 is 100445303312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 207866693776 + 5436850225 = 455924^2 + 73735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213303544001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213303544021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7720766 + ... + 7748343.

It is an arithmetic number, because the mean of its divisors is an integer number (53329756725).

Almost surely, 2^213303544001 is an apocalyptic number.

It is an amenable number.

213303544001 is a deficient number, since it is larger than the sum of its proper divisors (15482899).

213303544001 is a wasteful number, since it uses less digits than its factorization.

213303544001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15482898.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 213303544001 its reverse (100445303312), we get a palindrome (313748847313).

The spelling of 213303544001 in words is "two hundred thirteen billion, three hundred three million, five hundred forty-four thousand, one".