535231223213 has 2 divisors, whose sum is σ = 535231223214. Its totient is φ = 535231223212.

The previous prime is 535231223203. The next prime is 535231223221. The reversal of 535231223213 is 312322132535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385792538884 + 149438684329 = 621122^2 + 386573^2 .

It is a cyclic number.

It is not a de Polignac number, because 535231223213 - 2²⁶ = 535164114349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 535231223213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (535231223203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267615611606 + 267615611607.

It is an arithmetic number, because the mean of its divisors is an integer number (267615611607).

Almost surely, 2^535231223213 is an apocalyptic number.

It is an amenable number.

535231223213 is a deficient number, since it is larger than the sum of its proper divisors (1).

535231223213 is an equidigital number, since it uses as much as digits as its factorization.

535231223213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 32.

Adding to 535231223213 its reverse (312322132535), we get a palindrome (847553355748).

The spelling of 535231223213 in words is "five hundred thirty-five billion, two hundred thirty-one million, two hundred twenty-three thousand, two hundred thirteen".