213021001231330 has 8 divisors (see below), whose sum is σ = 383437802216412. Its totient is φ = 85208400492528.

The previous prime is 213021001231327. The next prime is 213021001231333. The reversal of 213021001231330 is 33132100120312.

It is an interprime number because it is at equal distance from previous prime (213021001231327) and next prime (213021001231333).

It can be written as a sum of positive squares in 2 ways, for example, as 179487995619969 + 33533005611361 = 13397313^2 + 5790769^2 .

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

It is not an unprimeable number, because it can be changed into a prime (213021001231333) 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, 10651050061557 + ... + 10651050061576.

Almost surely, 2^{213021001231330} is an apocalyptic number.

213021001231330 is a deficient number, since it is larger than the sum of its proper divisors (170416800985082).

213021001231330 is a wasteful number, since it uses less digits than its factorization.

213021001231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21302100123140.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213021001231330 its reverse (33132100120312), we get a palindrome (246153101351642).

The spelling of 213021001231330 in words is "two hundred thirteen trillion, twenty-one billion, one million, two hundred thirty-one thousand, three hundred thirty".