213332330 has 16 divisors (see below), whose sum is σ = 385693920. Its totient is φ = 84956112.

The previous prime is 213332309. The next prime is 213332341. The reversal of 213332330 is 33233312.

It is a Curzon number.

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, 44720 + ... + 49259.

It is an arithmetic number, because the mean of its divisors is an integer number (24105870).

Almost surely, 2^213332330 is an apocalyptic number.

213332330 is a deficient number, since it is larger than the sum of its proper divisors (172361590).

213332330 is a wasteful number, since it uses less digits than its factorization.

213332330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94213.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 213332330 is about 14605.9005199953. The cubic root of 213332330 is about 597.5196961347.

Adding to 213332330 its reverse (33233312), we get a palindrome (246565642).

The spelling of 213332330 in words is "two hundred thirteen million, three hundred thirty-two thousand, three hundred thirty".