213424341101242 has 16 divisors (see below), whose sum is σ = 326949548140800. Its totient is φ = 104441180906448.

The previous prime is 213424341101233. The next prime is 213424341101249. The reversal of 213424341101242 is 242101143424312.

It is a junction number, because it is equal to n+sod(n) for n = 213424341101198 and 213424341101207.

It is not an unprimeable number, because it can be changed into a prime (213424341101249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13780528 + ... + 24834484.

It is an arithmetic number, because the mean of its divisors is an integer number (20434346758800).

Almost surely, 2^{213424341101242} is an apocalyptic number.

213424341101242 is a deficient number, since it is larger than the sum of its proper divisors (113525207039558).

213424341101242 is a wasteful number, since it uses less digits than its factorization.

213424341101242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11259405.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 213424341101242 its reverse (242101143424312), we get a palindrome (455525484525554).

The spelling of 213424341101242 in words is "two hundred thirteen trillion, four hundred twenty-four billion, three hundred forty-one million, one hundred one thousand, two hundred forty-two".