213444301243141 has 16 divisors (see below), whose sum is σ = 222213087354240. Its totient is φ = 204769450791360.

The previous prime is 213444301243111. The next prime is 213444301243177. The reversal of 213444301243141 is 141342103444312.

It is a cyclic number.

It is not a de Polignac number, because 213444301243141 - 2⁹ = 213444301242629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213444301243141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213444301243111) 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, 644862610 + ... + 645193516.

It is an arithmetic number, because the mean of its divisors is an integer number (13888317959640).

Almost surely, 2^{213444301243141} is an apocalyptic number.

It is an amenable number.

213444301243141 is a deficient number, since it is larger than the sum of its proper divisors (8768786111099).

213444301243141 is a wasteful number, since it uses less digits than its factorization.

213444301243141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472764.

The product of its (nonzero) digits is 110592, while the sum is 37.

Adding to 213444301243141 its reverse (141342103444312), we get a palindrome (354786404687453).

The spelling of 213444301243141 in words is "two hundred thirteen trillion, four hundred forty-four billion, three hundred one million, two hundred forty-three thousand, one hundred forty-one".