213444043324 has 12 divisors (see below), whose sum is σ = 373530628744. Its totient is φ = 106721006544.

The previous prime is 213444043321. The next prime is 213444043327. The reversal of 213444043324 is 423340444312.

It is an interprime number because it is at equal distance from previous prime (213444043321) and next prime (213444043327).

It is a self number, because there is not a number n which added to its sum of digits gives 213444043324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213444043321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415339 + ... + 774205.

Almost surely, 2^213444043324 is an apocalyptic number.

It is an amenable number.

213444043324 is a deficient number, since it is larger than the sum of its proper divisors (160086585420).

213444043324 is a wasteful number, since it uses less digits than its factorization.

213444043324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507564 (or 507562 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 213444043324 its reverse (423340444312), we get a palindrome (636784487636).

The spelling of 213444043324 in words is "two hundred thirteen billion, four hundred forty-four million, forty-three thousand, three hundred twenty-four".