213013222443 has 16 divisors (see below), whose sum is σ = 360657308160. Its totient is φ = 121721841288.

The previous prime is 213013222391. The next prime is 213013222483. The reversal of 213013222443 is 344222310312.

213013222443 is a `hidden beast` number, since 213 + 0 + 1 + 3 + 2 + 2 + 2 + 443 = 666.

It is not a de Polignac number, because 213013222443 - 2⁸ = 213013222187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (213013222483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563526855 + ... + 563527232.

It is an arithmetic number, because the mean of its divisors is an integer number (22541081760).

Almost surely, 2^213013222443 is an apocalyptic number.

213013222443 is a deficient number, since it is larger than the sum of its proper divisors (147644085717).

213013222443 is a wasteful number, since it uses less digits than its factorization.

213013222443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127054103 (or 1127054097 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 213013222443 its reverse (344222310312), we get a palindrome (557235532755).

The spelling of 213013222443 in words is "two hundred thirteen billion, thirteen million, two hundred twenty-two thousand, four hundred forty-three".