100243431042 has 16 divisors (see below), whose sum is σ = 200510013600. Its totient is φ = 33410618432.

The previous prime is 100243431011. The next prime is 100243431047. The reversal of 100243431042 is 240134342001.

It is not an unprimeable number, because it can be changed into a prime (100243431047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908103 + ... + 1012490.

It is an arithmetic number, because the mean of its divisors is an integer number (12531875850).

Almost surely, 2^100243431042 is an apocalyptic number.

100243431042 is an abundant number, since it is smaller than the sum of its proper divisors (100266582558).

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

100243431042 is a wasteful number, since it uses less digits than its factorization.

100243431042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929297.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 100243431042 its reverse (240134342001), we get a palindrome (340377773043).

The spelling of 100243431042 in words is "one hundred billion, two hundred forty-three million, four hundred thirty-one thousand, forty-two".