213012303 has 8 divisors (see below), whose sum is σ = 324590208. Its totient is φ = 121721304.

The previous prime is 213012301. The next prime is 213012311. The reversal of 213012303 is 303210312.

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

It is not a de Polignac number, because 213012303 - 2¹ = 213012301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213012301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5071701 + ... + 5071742.

It is an arithmetic number, because the mean of its divisors is an integer number (40573776).

Almost surely, 2^213012303 is an apocalyptic number.

213012303 is a deficient number, since it is larger than the sum of its proper divisors (111577905).

213012303 is a wasteful number, since it uses less digits than its factorization.

213012303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143453.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 213012303 is about 14594.9410070750. The cubic root of 213012303 is about 597.2207601424.

Adding to 213012303 its reverse (303210312), we get a palindrome (516222615).

The spelling of 213012303 in words is "two hundred thirteen million, twelve thousand, three hundred three".