404311112131 has 6 divisors (see below), whose sum is σ = 405776065380. Its totient is φ = 402851428776.

The previous prime is 404311112119. The next prime is 404311112221. The reversal of 404311112131 is 131211113404.

It is not a de Polignac number, because 404311112131 - 2⁵ = 404311112099 is a prime.

It is a super-2 number, since 2×404311112131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404311112111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2557941 + ... + 2711398.

It is an arithmetic number, because the mean of its divisors is an integer number (67629344230).

Almost surely, 2^404311112131 is an apocalyptic number.

404311112131 is a deficient number, since it is larger than the sum of its proper divisors (1464953249).

404311112131 is an frugal number, since it uses more digits than its factorization.

404311112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5269893 (or 5269616 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 404311112131 its reverse (131211113404), we get a palindrome (535522225535).

The spelling of 404311112131 in words is "four hundred four billion, three hundred eleven million, one hundred twelve thousand, one hundred thirty-one".