213113433213244 has 12 divisors (see below), whose sum is σ = 372952471218768. Its totient is φ = 106555584293600.

The previous prime is 213113433213227. The next prime is 213113433213277. The reversal of 213113433213244 is 442312334311312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282654712 + ... + 283407679.

It is an arithmetic number, because the mean of its divisors is an integer number (31079372601564).

Almost surely, 2^{213113433213244} is an apocalyptic number.

It is an amenable number.

213113433213244 is a deficient number, since it is larger than the sum of its proper divisors (159839038005524).

213113433213244 is a wasteful number, since it uses less digits than its factorization.

213113433213244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566156516 (or 566156514 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

Adding to 213113433213244 its reverse (442312334311312), we get a palindrome (655425767524556).

The spelling of 213113433213244 in words is "two hundred thirteen trillion, one hundred thirteen billion, four hundred thirty-three million, two hundred thirteen thousand, two hundred forty-four".