213112303 has 8 divisors (see below), whose sum is σ = 225227520. Its totient is φ = 201087000.

The previous prime is 213112283. The next prime is 213112351. The reversal of 213112303 is 303211312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213112303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213112363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17575 + ... + 27112.

It is an arithmetic number, because the mean of its divisors is an integer number (28153440).

Almost surely, 2^213112303 is an apocalyptic number.

213112303 is a deficient number, since it is larger than the sum of its proper divisors (12115217).

213112303 is a wasteful number, since it uses less digits than its factorization.

213112303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44957.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 213112303 is about 14598.3664497094. The cubic root of 213112303 is about 597.3142019014.

Adding to 213112303 its reverse (303211312), we get a palindrome (516323615).

Subtracting 213112303 from its reverse (303211312), we obtain a palindrome (90099009).

The spelling of 213112303 in words is "two hundred thirteen million, one hundred twelve thousand, three hundred three".