213131033330 has 8 divisors (see below), whose sum is σ = 383635860012. Its totient is φ = 85252413328.

The previous prime is 213131033321. The next prime is 213131033369. The reversal of 213131033330 is 33330131312.

213131033330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 208740248161 + 4390785169 = 456881^2 + 66263^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213131033296 and 213131033305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10656551657 + ... + 10656551676.

Almost surely, 2^213131033330 is an apocalyptic number.

213131033330 is a deficient number, since it is larger than the sum of its proper divisors (170504826682).

213131033330 is a wasteful number, since it uses less digits than its factorization.

213131033330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21313103340.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 213131033330 its reverse (33330131312), we get a palindrome (246461164642).

The spelling of 213131033330 in words is "two hundred thirteen billion, one hundred thirty-one million, thirty-three thousand, three hundred thirty".