404213040331 has 2 divisors, whose sum is σ = 404213040332. Its totient is φ = 404213040330.

The previous prime is 404213040239. The next prime is 404213040347. The reversal of 404213040331 is 133040312404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404213040331 - 2¹⁷ = 404212909259 is a prime.

It is a super-2 number, since 2×404213040331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404213040296 and 404213040305.

It is not a weakly prime, because it can be changed into another prime (404213040131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202106520165 + 202106520166.

It is an arithmetic number, because the mean of its divisors is an integer number (202106520166).

Almost surely, 2^404213040331 is an apocalyptic number.

404213040331 is a deficient number, since it is larger than the sum of its proper divisors (1).

404213040331 is an equidigital number, since it uses as much as digits as its factorization.

404213040331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 404213040331 its reverse (133040312404), we get a palindrome (537253352735).

The spelling of 404213040331 in words is "four hundred four billion, two hundred thirteen million, forty thousand, three hundred thirty-one".