100231033241242 has 4 divisors (see below), whose sum is σ = 150346549861866. Its totient is φ = 50115516620620.

The previous prime is 100231033241233. The next prime is 100231033241291. The reversal of 100231033241242 is 242142330132001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70118366016241 + 30112667225001 = 8373671^2 + 5487501^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100231033241242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25057758310309 + ... + 25057758310312.

Almost surely, 2^{100231033241242} is an apocalyptic number.

100231033241242 is a deficient number, since it is larger than the sum of its proper divisors (50115516620624).

100231033241242 is an equidigital number, since it uses as much as digits as its factorization.

100231033241242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50115516620623.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 100231033241242 its reverse (242142330132001), we get a palindrome (342373363373243).

The spelling of 100231033241242 in words is "one hundred trillion, two hundred thirty-one billion, thirty-three million, two hundred forty-one thousand, two hundred forty-two".