213312034340344 has 16 divisors (see below), whose sum is σ = 405593304732720. Its totient is φ = 105153819744960.

The previous prime is 213312034340309. The next prime is 213312034340411. The reversal of 213312034340344 is 443043430213312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187774677549 + ... + 187774678684.

It is an arithmetic number, because the mean of its divisors is an integer number (25349581545795).

Almost surely, 2^{213312034340344} is an apocalyptic number.

It is an amenable number.

213312034340344 is a deficient number, since it is larger than the sum of its proper divisors (192281270392376).

213312034340344 is a wasteful number, since it uses less digits than its factorization.

213312034340344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375549356310 (or 375549356306 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 213312034340344 its reverse (443043430213312), we get a palindrome (656355464553656).

The spelling of 213312034340344 in words is "two hundred thirteen trillion, three hundred twelve billion, thirty-four million, three hundred forty thousand, three hundred forty-four".