411431305 has 16 divisors (see below), whose sum is σ = 511574544. Its totient is φ = 317399040.

The previous prime is 411431303. The next prime is 411431311. The reversal of 411431305 is 503134114.

It can be written as a sum of positive squares in 8 ways, for example, as 10310521 + 401120784 = 3211^2 + 20028^2 .

It is not a de Polignac number, because 411431305 - 2¹ = 411431303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (411431303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11065 + ... + 30745.

It is an arithmetic number, because the mean of its divisors is an integer number (31973409).

Almost surely, 2^411431305 is an apocalyptic number.

It is an amenable number.

411431305 is a deficient number, since it is larger than the sum of its proper divisors (100143239).

411431305 is a wasteful number, since it uses less digits than its factorization.

411431305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19836.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 411431305 is about 20283.7694968169. The cubic root of 411431305 is about 743.7593602852.

Adding to 411431305 its reverse (503134114), we get a palindrome (914565419).

The spelling of 411431305 in words is "four hundred eleven million, four hundred thirty-one thousand, three hundred five".