100431142504042 has 16 divisors (see below), whose sum is σ = 172780369215552. Its totient is φ = 42888744128160.

The previous prime is 100431142504009. The next prime is 100431142504051. The reversal of 100431142504042 is 240405241134001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100431142503995 and 100431142504013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12764503248 + ... + 12764511115.

It is an arithmetic number, because the mean of its divisors is an integer number (10798773075972).

Almost surely, 2^{100431142504042} is an apocalyptic number.

100431142504042 is a deficient number, since it is larger than the sum of its proper divisors (72349226711510).

100431142504042 is a wasteful number, since it uses less digits than its factorization.

100431142504042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25529014653.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 100431142504042 its reverse (240405241134001), we get a palindrome (340836383638043).

The spelling of 100431142504042 in words is "one hundred trillion, four hundred thirty-one billion, one hundred forty-two million, five hundred four thousand, forty-two".