213443311330 has 8 divisors (see below), whose sum is σ = 384197960412. Its totient is φ = 85377324528.

The previous prime is 213443311327. The next prime is 213443311331. The reversal of 213443311330 is 33113344312.

It can be written as a sum of positive squares in 2 ways, for example, as 198799165161 + 14644146169 = 445869^2 + 121013^2 .

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 (213443311331) 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, 10672165557 + ... + 10672165576.

Almost surely, 2^213443311330 is an apocalyptic number.

213443311330 is a deficient number, since it is larger than the sum of its proper divisors (170754649082).

213443311330 is a wasteful number, since it uses less digits than its factorization.

213443311330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21344331140.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 213443311330 its reverse (33113344312), we get a palindrome (246556655642).

The spelling of 213443311330 in words is "two hundred thirteen billion, four hundred forty-three million, three hundred eleven thousand, three hundred thirty".