213233521002344 has 64 divisors (see below), whose sum is σ = 409233150720000. Its totient is φ = 104130109505728.

The previous prime is 213233521002323. The next prime is 213233521002377. The reversal of 213233521002344 is 443200125332312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49244567 + ... + 53399385.

It is an arithmetic number, because the mean of its divisors is an integer number (6394267980000).

Almost surely, 2^{213233521002344} is an apocalyptic number.

It is an amenable number.

213233521002344 is a deficient number, since it is larger than the sum of its proper divisors (195999629717656).

213233521002344 is a wasteful number, since it uses less digits than its factorization.

213233521002344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155590 (or 4155586 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 213233521002344 its reverse (443200125332312), we get a palindrome (656433646334656).

The spelling of 213233521002344 in words is "two hundred thirteen trillion, two hundred thirty-three billion, five hundred twenty-one million, two thousand, three hundred forty-four".