213024424244 has 12 divisors (see below), whose sum is σ = 376212860100. Its totient is φ = 105535035648.

The previous prime is 213024424241. The next prime is 213024424267. The reversal of 213024424244 is 442424420312.

It can be written as a sum of positive squares in 2 ways, for example, as 139046952100 + 73977472144 = 372890^2 + 271988^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213024424244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213024424241) 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, 244293629 + ... + 244294500.

It is an arithmetic number, because the mean of its divisors is an integer number (31351071675).

Almost surely, 2^213024424244 is an apocalyptic number.

It is an amenable number.

213024424244 is a deficient number, since it is larger than the sum of its proper divisors (163188435856).

213024424244 is a wasteful number, since it uses less digits than its factorization.

213024424244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488588242 (or 488588240 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 213024424244 its reverse (442424420312), we get a palindrome (655448844556).

The spelling of 213024424244 in words is "two hundred thirteen billion, twenty-four million, four hundred twenty-four thousand, two hundred forty-four".