100431015544421 has 8 divisors (see below), whose sum is σ = 104208033640800. Its totient is φ = 96674922756720.

The previous prime is 100431015544411. The next prime is 100431015544441. The reversal of 100431015544421 is 124445510134001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100431015544421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100431015544411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5231317391 + ... + 5231336588.

It is an arithmetic number, because the mean of its divisors is an integer number (13026004205100).

Almost surely, 2^{100431015544421} is an apocalyptic number.

It is an amenable number.

100431015544421 is a deficient number, since it is larger than the sum of its proper divisors (3777018096379).

100431015544421 is a wasteful number, since it uses less digits than its factorization.

100431015544421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10462654339.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 100431015544421 its reverse (124445510134001), we get a palindrome (224876525678422).

The spelling of 100431015544421 in words is "one hundred trillion, four hundred thirty-one billion, fifteen million, five hundred forty-four thousand, four hundred twenty-one".