213532531010303 has 4 divisors (see below), whose sum is σ = 213533968730160. Its totient is φ = 213531093290448.

The previous prime is 213532531010291. The next prime is 213532531010333. The reversal of 213532531010303 is 303010135235312.

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

It is a cyclic number.

It is not a de Polignac number, because 213532531010303 - 2⁴ = 213532531010287 is a prime.

It is a super-2 number, since 2×213532531010303² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213532531010303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213532531010333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718637123 + ... + 718934196.

It is an arithmetic number, because the mean of its divisors is an integer number (53383492182540).

Almost surely, 2^{213532531010303} is an apocalyptic number.

213532531010303 is a deficient number, since it is larger than the sum of its proper divisors (1437719857).

213532531010303 is a wasteful number, since it uses less digits than its factorization.

213532531010303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437719856.

The product of its (nonzero) digits is 24300, while the sum is 32.

Adding to 213532531010303 its reverse (303010135235312), we get a palindrome (516542666245615).

The spelling of 213532531010303 in words is "two hundred thirteen trillion, five hundred thirty-two billion, five hundred thirty-one million, ten thousand, three hundred three".