404231023131 has 16 divisors (see below), whose sum is σ = 584865093120. Its totient is φ = 246858636960.

The previous prime is 404231023117. The next prime is 404231023159. The reversal of 404231023131 is 131320132404.

It is a happy number.

It is not a de Polignac number, because 404231023131 - 2⁵ = 404231023099 is a prime.

It is a super-2 number, since 2×404231023131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (404231023111) 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, 39555571 + ... + 39565788.

It is an arithmetic number, because the mean of its divisors is an integer number (36554068320).

Almost surely, 2^404231023131 is an apocalyptic number.

404231023131 is a deficient number, since it is larger than the sum of its proper divisors (180634069989).

404231023131 is a wasteful number, since it uses less digits than its factorization.

404231023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79121506.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 404231023131 its reverse (131320132404), we get a palindrome (535551155535).

The spelling of 404231023131 in words is "four hundred four billion, two hundred thirty-one million, twenty-three thousand, one hundred thirty-one".