213310330 has 16 divisors (see below), whose sum is σ = 384495624. Its totient is φ = 85204800.

The previous prime is 213310277. The next prime is 213310367. The reversal of 213310330 is 33013312.

It can be written as a sum of positive squares in 4 ways, for example, as 165714129 + 47596201 = 12873^2 + 6899^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7221 + ... + 21880.

Almost surely, 2^213310330 is an apocalyptic number.

213310330 is a deficient number, since it is larger than the sum of its proper divisors (171185294).

213310330 is a wasteful number, since it uses less digits than its factorization.

213310330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29841.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 213310330 is about 14605.1473802903. The cubic root of 213310330 is about 597.4991555925.

Adding to 213310330 its reverse (33013312), we get a palindrome (246323642).

The spelling of 213310330 in words is "two hundred thirteen million, three hundred ten thousand, three hundred thirty".