538131431100011 has 16 divisors (see below), whose sum is σ = 634863187292160. Its totient is φ = 446364426025440.

The previous prime is 538131431100007. The next prime is 538131431100049. The reversal of 538131431100011 is 110001134131835.

It is a cyclic number.

It is not a de Polignac number, because 538131431100011 - 2² = 538131431100007 is a prime.

It is a super-2 number, since 2×538131431100011² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538131431100001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24810116 + ... + 41131553.

It is an arithmetic number, because the mean of its divisors is an integer number (39678949205760).

Almost surely, 2^{538131431100011} is an apocalyptic number.

538131431100011 is a deficient number, since it is larger than the sum of its proper divisors (96731756192149).

538131431100011 is a wasteful number, since it uses less digits than its factorization.

538131431100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65979314.

The product of its (nonzero) digits is 4320, while the sum is 32.

Adding to 538131431100011 its reverse (110001134131835), we get a palindrome (648132565231846).

The spelling of 538131431100011 in words is "five hundred thirty-eight trillion, one hundred thirty-one billion, four hundred thirty-one million, one hundred thousand, eleven".