213884228361 has 16 divisors (see below), whose sum is σ = 291293743104. Its totient is φ = 139533081744.

The previous prime is 213884228359. The next prime is 213884228399. The reversal of 213884228361 is 163822488312.

213884228361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213884228361 - 2¹ = 213884228359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213884228361.

It is not an unprimeable number, because it can be changed into a prime (213884224361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774790 + ... + 1013936.

It is an arithmetic number, because the mean of its divisors is an integer number (18205858944).

Almost surely, 2^213884228361 is an apocalyptic number.

It is an amenable number.

213884228361 is a deficient number, since it is larger than the sum of its proper divisors (77409514743).

213884228361 is a wasteful number, since it uses less digits than its factorization.

213884228361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245540.

The product of its digits is 884736, while the sum is 48.

The spelling of 213884228361 in words is "two hundred thirteen billion, eight hundred eighty-four million, two hundred twenty-eight thousand, three hundred sixty-one".