213073330 has 8 divisors (see below), whose sum is σ = 383532012. Its totient is φ = 85229328.

The previous prime is 213073229. The next prime is 213073331. The reversal of 213073330 is 33370312.

It can be written as a sum of positive squares in 2 ways, for example, as 209757289 + 3316041 = 14483^2 + 1821^2 .

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 (213073331) 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, 10653657 + ... + 10653676.

Almost surely, 2^213073330 is an apocalyptic number.

213073330 is a deficient number, since it is larger than the sum of its proper divisors (170458682).

213073330 is a wasteful number, since it uses less digits than its factorization.

213073330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21307340.

The product of its (nonzero) digits is 1134, while the sum is 22.

The square root of 213073330 is about 14597.0315475442. The cubic root of 213073330 is about 597.2777883215.

The spelling of 213073330 in words is "two hundred thirteen million, seventy-three thousand, three hundred thirty".