213333430 has 16 divisors (see below), whose sum is σ = 385053120. Its totient is φ = 85099392.

The previous prime is 213333403. The next prime is 213333433. The reversal of 213333430 is 34333312.

It is a super-2 number, since 2×213333430² = 91022304711129800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213333433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25395 + ... + 32734.

It is an arithmetic number, because the mean of its divisors is an integer number (24065820).

Almost surely, 2^213333430 is an apocalyptic number.

213333430 is a deficient number, since it is larger than the sum of its proper divisors (171719690).

213333430 is a wasteful number, since it uses less digits than its factorization.

213333430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58503.

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 213333430 is about 14605.9381759612. The cubic root of 213333430 is about 597.5207231248.

Adding to 213333430 its reverse (34333312), we get a palindrome (247666742).

The spelling of 213333430 in words is "two hundred thirteen million, three hundred thirty-three thousand, four hundred thirty".