213344240234 has 16 divisors (see below), whose sum is σ = 324790554816. Its totient is φ = 105083193600.

The previous prime is 213344240233. The next prime is 213344240251. The reversal of 213344240234 is 432042443312.

It is a self number, because there is not a number n which added to its sum of digits gives 213344240234.

It is not an unprimeable number, because it can be changed into a prime (213344240233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444452 + ... + 790079.

It is an arithmetic number, because the mean of its divisors is an integer number (20299409676).

Almost surely, 2^213344240234 is an apocalyptic number.

213344240234 is a deficient number, since it is larger than the sum of its proper divisors (111446314582).

213344240234 is a wasteful number, since it uses less digits than its factorization.

213344240234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235821.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 213344240234 its reverse (432042443312), we get a palindrome (645386683546).

The spelling of 213344240234 in words is "two hundred thirteen billion, three hundred forty-four million, two hundred forty thousand, two hundred thirty-four".