100305243242 has 8 divisors (see below), whose sum is σ = 159308327556. Its totient is φ = 47202467392.

The previous prime is 100305243209. The next prime is 100305243287. The reversal of 100305243242 is 242342503001.

It can be written as a sum of positive squares in 2 ways, for example, as 98213918881 + 2091324361 = 313391^2 + 45731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×100305243242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475077073 + ... + 1475077140.

Almost surely, 2^100305243242 is an apocalyptic number.

100305243242 is a deficient number, since it is larger than the sum of its proper divisors (59003084314).

100305243242 is a wasteful number, since it uses less digits than its factorization.

100305243242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950154232.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 100305243242 its reverse (242342503001), we get a palindrome (342647746243).

The spelling of 100305243242 in words is "one hundred billion, three hundred five million, two hundred forty-three thousand, two hundred forty-two".