213345356 has 24 divisors (see below), whose sum is σ = 430473120. Its totient is φ = 90623232.

The previous prime is 213345329. The next prime is 213345397. The reversal of 213345356 is 653543312.

213345356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 30551 + ... + 36878.

It is an arithmetic number, because the mean of its divisors is an integer number (17936380).

Almost surely, 2^213345356 is an apocalyptic number.

It is an amenable number.

213345356 is an abundant number, since it is smaller than the sum of its proper divisors (217127764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213345356 is a wasteful number, since it uses less digits than its factorization.

213345356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67553 (or 67551 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 213345356 is about 14606.3464288644. The cubic root of 213345356 is about 597.5318573375.

Adding to 213345356 its reverse (653543312), we get a palindrome (866888668).

The spelling of 213345356 in words is "two hundred thirteen million, three hundred forty-five thousand, three hundred fifty-six".