213032344244 has 6 divisors (see below), whose sum is σ = 372806602434. Its totient is φ = 106516172120.

The previous prime is 213032344223. The next prime is 213032344271. The reversal of 213032344244 is 442443230312.

It can be written as a sum of positive squares in only one way, i.e., 204993428644 + 8038915600 = 452762^2 + 89660^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213032344244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26629043027 + ... + 26629043034.

It is an arithmetic number, because the mean of its divisors is an integer number (62134433739).

Almost surely, 2^213032344244 is an apocalyptic number.

It is an amenable number.

213032344244 is a deficient number, since it is larger than the sum of its proper divisors (159774258190).

213032344244 is a wasteful number, since it uses less digits than its factorization.

213032344244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53258086065 (or 53258086063 counting only the distinct ones).

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

Adding to 213032344244 its reverse (442443230312), we get a palindrome (655475574556).

The spelling of 213032344244 in words is "two hundred thirteen billion, thirty-two million, three hundred forty-four thousand, two hundred forty-four".