104204020431 has 16 divisors (see below), whose sum is σ = 159212793344. Its totient is φ = 59385511584.

The previous prime is 104204020423. The next prime is 104204020433. The reversal of 104204020431 is 134020402401.

It is not a de Polignac number, because 104204020431 - 2³ = 104204020423 is a prime.

It is a super-2 number, since 2×104204020431² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104204020398 and 104204020407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104204020433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6643771 + ... + 6659436.

It is an arithmetic number, because the mean of its divisors is an integer number (9950799584).

Almost surely, 2^104204020431 is an apocalyptic number.

104204020431 is a deficient number, since it is larger than the sum of its proper divisors (55008772913).

104204020431 is a wasteful number, since it uses less digits than its factorization.

104204020431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13303590.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 104204020431 its reverse (134020402401), we get a palindrome (238224422832).

The spelling of 104204020431 in words is "one hundred four billion, two hundred four million, twenty thousand, four hundred thirty-one".