213312335316 has 12 divisors (see below), whose sum is σ = 497728782432. Its totient is φ = 71104111768.

The previous prime is 213312335309. The next prime is 213312335321. The reversal of 213312335316 is 613533213312.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8888013960 + ... + 8888013983.

It is an arithmetic number, because the mean of its divisors is an integer number (41477398536).

Almost surely, 2^213312335316 is an apocalyptic number.

It is an amenable number.

213312335316 is an abundant number, since it is smaller than the sum of its proper divisors (284416447116).

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

213312335316 is a wasteful number, since it uses less digits than its factorization.

213312335316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17776027950 (or 17776027948 counting only the distinct ones).

The product of its digits is 29160, while the sum is 33.

Adding to 213312335316 its reverse (613533213312), we get a palindrome (826845548628).

It can be divided in two parts, 213312 and 335316, that added together give a triangular number (548628 = T₁₀₄₇).

The spelling of 213312335316 in words is "two hundred thirteen billion, three hundred twelve million, three hundred thirty-five thousand, three hundred sixteen".