213003100242 has 48 divisors (see below), whose sum is σ = 470040442560. Its totient is φ = 69691802400.

The previous prime is 213003100223. The next prime is 213003100259. The reversal of 213003100242 is 242001300312.

213003100242 is a `hidden beast` number, since 21 + 300 + 3 + 100 + 242 = 666.

213003100242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 550267 + ... + 853697.

It is an arithmetic number, because the mean of its divisors is an integer number (9792509220).

Almost surely, 2^213003100242 is an apocalyptic number.

213003100242 is an abundant number, since it is smaller than the sum of its proper divisors (257037342318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213003100242 is a wasteful number, since it uses less digits than its factorization.

213003100242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304159 (or 304156 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 213003100242 its reverse (242001300312), we get a palindrome (455004400554).

The spelling of 213003100242 in words is "two hundred thirteen billion, three million, one hundred thousand, two hundred forty-two".