213255500403343 has 16 divisors (see below), whose sum is σ = 214074483904512. Its totient is φ = 212438116044000.

The previous prime is 213255500403251. The next prime is 213255500403371. The reversal of 213255500403343 is 343304005552312.

It is a cyclic number.

It is not a de Polignac number, because 213255500403343 - 2¹⁷ = 213255500272271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213255500403296 and 213255500403305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213255500403643) 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, 4858730428 + ... + 4858774318.

It is an arithmetic number, because the mean of its divisors is an integer number (13379655244032).

Almost surely, 2^{213255500403343} is an apocalyptic number.

213255500403343 is a deficient number, since it is larger than the sum of its proper divisors (818983501169).

213255500403343 is a wasteful number, since it uses less digits than its factorization.

213255500403343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61686.

The product of its (nonzero) digits is 648000, while the sum is 40.

Adding to 213255500403343 its reverse (343304005552312), we get a palindrome (556559505955655).

The spelling of 213255500403343 in words is "two hundred thirteen trillion, two hundred fifty-five billion, five hundred million, four hundred three thousand, three hundred forty-three".