104204313261 has 12 divisors (see below), whose sum is σ = 150618446940. Its totient is φ = 69422878080.

The previous prime is 104204313253. The next prime is 104204313277. The reversal of 104204313261 is 162313402401.

It is a happy number.

104204313261 is a `hidden beast` number, since 10 + 420 + 43 + 132 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13840346025 + 90363967236 = 117645^2 + 300606^2 .

It is not a de Polignac number, because 104204313261 - 2³ = 104204313253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104204313251) 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 11 ways as a sum of consecutive naturals, for example, 3874530 + ... + 3901331.

It is an arithmetic number, because the mean of its divisors is an integer number (12551537245).

Almost surely, 2^104204313261 is an apocalyptic number.

It is an amenable number.

104204313261 is a deficient number, since it is larger than the sum of its proper divisors (46414133679).

104204313261 is a wasteful number, since it uses less digits than its factorization.

104204313261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777356 (or 7777353 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 104204313261 its reverse (162313402401), we get a palindrome (266517715662).

The spelling of 104204313261 in words is "one hundred four billion, two hundred four million, three hundred thirteen thousand, two hundred sixty-one".