100130130242 has 4 divisors (see below), whose sum is σ = 150195195366. Its totient is φ = 50065065120.

The previous prime is 100130130181. The next prime is 100130130263. The reversal of 100130130242 is 242031031001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242031031001 = 1163 ⋅208109227.

It can be written as a sum of positive squares in only one way, i.e., 61241895841 + 38888234401 = 247471^2 + 197201^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100130130242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25032532559 + ... + 25032532562.

Almost surely, 2^100130130242 is an apocalyptic number.

100130130242 is a deficient number, since it is larger than the sum of its proper divisors (50065065124).

100130130242 is an equidigital number, since it uses as much as digits as its factorization.

100130130242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50065065123.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100130130242 its reverse (242031031001), we get a palindrome (342161161243).

The spelling of 100130130242 in words is "one hundred billion, one hundred thirty million, one hundred thirty thousand, two hundred forty-two".