213403433313 has 16 divisors (see below), whose sum is σ = 325229742080. Its totient is φ = 121928484816.

The previous prime is 213403433251. The next prime is 213403433389. The reversal of 213403433313 is 313334304312.

It is not a de Polignac number, because 213403433313 - 2⁶ = 213403433249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213403434313) 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, 519193 + ... + 834486.

It is an arithmetic number, because the mean of its divisors is an integer number (20326858880).

Almost surely, 2^213403433313 is an apocalyptic number.

It is an amenable number.

213403433313 is a deficient number, since it is larger than the sum of its proper divisors (111826308767).

213403433313 is a wasteful number, since it uses less digits than its factorization.

213403433313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361196.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 213403433313 its reverse (313334304312), we get a palindrome (526737737625).

The spelling of 213403433313 in words is "two hundred thirteen billion, four hundred three million, four hundred thirty-three thousand, three hundred thirteen".