105030043242 has 32 divisors (see below), whose sum is σ = 211377479040. Its totient is φ = 34790736960.

The previous prime is 105030043213. The next prime is 105030043267. The reversal of 105030043242 is 242340030501.

It is a super-2 number, since 2×105030043242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1455859 + ... + 1526297.

It is an arithmetic number, because the mean of its divisors is an integer number (6605546220).

Almost surely, 2^105030043242 is an apocalyptic number.

105030043242 is an abundant number, since it is smaller than the sum of its proper divisors (106347435798).

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

105030043242 is a wasteful number, since it uses less digits than its factorization.

105030043242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71998.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 105030043242 its reverse (242340030501), we get a palindrome (347370073743).

The spelling of 105030043242 in words is "one hundred five billion, thirty million, forty-three thousand, two hundred forty-two".