213132303 has 10 divisors (see below), whose sum is σ = 318382944. Its totient is φ = 142088148.

The previous prime is 213132301. The next prime is 213132331. The reversal of 213132303 is 303231312.

It is not a de Polignac number, because 213132303 - 2¹ = 213132301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213132301) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1315551 + ... + 1315712.

Almost surely, 2^213132303 is an apocalyptic number.

213132303 is a deficient number, since it is larger than the sum of its proper divisors (105250641).

213132303 is an equidigital number, since it uses as much as digits as its factorization.

213132303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631275 (or 2631266 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 213132303 is about 14599.0514417889. The cubic root of 213132303 is about 597.3328867453.

Adding to 213132303 its reverse (303231312), we get a palindrome (516363615).

Subtracting 213132303 from its reverse (303231312), we obtain a palindrome (90099009).

The spelling of 213132303 in words is "two hundred thirteen million, one hundred thirty-two thousand, three hundred three".