104105135431 has 16 divisors (see below), whose sum is σ = 113821728768. Its totient is φ = 94430845600.

The previous prime is 104105135419. The next prime is 104105135593. The reversal of 104105135431 is 134531501401.

It is a cyclic number.

It is not a de Polignac number, because 104105135431 - 2⁹ = 104105134919 is a prime.

It is a super-2 number, since 2×104105135431² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104105135431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104105135411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11784186 + ... + 11793016.

It is an arithmetic number, because the mean of its divisors is an integer number (7113858048).

Almost surely, 2^104105135431 is an apocalyptic number.

104105135431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104105135431 is a deficient number, since it is larger than the sum of its proper divisors (9716593337).

104105135431 is a wasteful number, since it uses less digits than its factorization.

104105135431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 104105135431 its reverse (134531501401), we get a palindrome (238636636832).

The spelling of 104105135431 in words is "one hundred four billion, one hundred five million, one hundred thirty-five thousand, four hundred thirty-one".