213244122303 has 24 divisors (see below), whose sum is σ = 309387078000. Its totient is φ = 141531805440.

The previous prime is 213244122277. The next prime is 213244122331. The reversal of 213244122303 is 303221442312.

213244122303 is a `hidden beast` number, since 2 + 13 + 2 + 4 + 412 + 230 + 3 = 666.

It is not a de Polignac number, because 213244122303 - 2²⁹ = 212707251391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213244122503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8691948 + ... + 8716446.

It is an arithmetic number, because the mean of its divisors is an integer number (12891128250).

Almost surely, 2^213244122303 is an apocalyptic number.

213244122303 is a deficient number, since it is larger than the sum of its proper divisors (96142955697).

213244122303 is a wasteful number, since it uses less digits than its factorization.

213244122303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28759 (or 28756 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 213244122303 its reverse (303221442312), we get a palindrome (516465564615).

The spelling of 213244122303 in words is "two hundred thirteen billion, two hundred forty-four million, one hundred twenty-two thousand, three hundred three".