404304344331 has 16 divisors (see below), whose sum is σ = 547986489120. Its totient is φ = 265080453120.

The previous prime is 404304344303. The next prime is 404304344363. The reversal of 404304344331 is 133443403404.

It is not a de Polignac number, because 404304344331 - 2¹¹ = 404304342283 is a prime.

It is a super-2 number, since 2×404304344331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404304344292 and 404304344301.

It is not an unprimeable number, because it can be changed into a prime (404304344131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1186411 + ... + 1488683.

It is an arithmetic number, because the mean of its divisors is an integer number (34249155570).

Almost surely, 2^404304344331 is an apocalyptic number.

404304344331 is a deficient number, since it is larger than the sum of its proper divisors (143682144789).

404304344331 is a wasteful number, since it uses less digits than its factorization.

404304344331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309646.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 404304344331 its reverse (133443403404), we get a palindrome (537747747735).

The spelling of 404304344331 in words is "four hundred four billion, three hundred four million, three hundred forty-four thousand, three hundred thirty-one".