213333244443 has 48 divisors (see below), whose sum is σ = 374669193600. Its totient is φ = 115282794240.

The previous prime is 213333244433. The next prime is 213333244451. The reversal of 213333244443 is 344442333312.

It is not a de Polignac number, because 213333244443 - 2⁴ = 213333244427 is a prime.

It is a super-2 number, since 2×213333244443² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213333244398 and 213333244407.

It is not an unprimeable number, because it can be changed into a prime (213333244433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3303753 + ... + 3367706.

It is an arithmetic number, because the mean of its divisors is an integer number (7805608200).

Almost surely, 2^213333244443 is an apocalyptic number.

213333244443 is a deficient number, since it is larger than the sum of its proper divisors (161335949157).

213333244443 is a wasteful number, since it uses less digits than its factorization.

213333244443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6671512 (or 6671509 counting only the distinct ones).

The product of its digits is 248832, while the sum is 36.

Adding to 213333244443 its reverse (344442333312), we get a palindrome (557775577755).

The spelling of 213333244443 in words is "two hundred thirteen billion, three hundred thirty-three million, two hundred forty-four thousand, four hundred forty-three".