4405131331 has 4 divisors (see below), whose sum is σ = 4405870672. Its totient is φ = 4404391992.

The previous prime is 4405131329. The next prime is 4405131347. The reversal of 4405131331 is 1331315044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4405131331 - 2¹ = 4405131329 is a prime.

It is a super-2 number, since 2×4405131331² = 38810364086715663122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4405131296 and 4405131305.

It is not an unprimeable number, because it can be changed into a prime (4405131301) 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 3 ways as a sum of consecutive naturals, for example, 360660 + ... + 372673.

It is an arithmetic number, because the mean of its divisors is an integer number (1101467668).

Almost surely, 2^4405131331 is an apocalyptic number.

4405131331 is a deficient number, since it is larger than the sum of its proper divisors (739341).

4405131331 is an equidigital number, since it uses as much as digits as its factorization.

4405131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739340.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4405131331 is about 66371.1633994764. The cubic root of 4405131331 is about 1639.2792950438.

Adding to 4405131331 its reverse (1331315044), we get a palindrome (5736446375).

The spelling of 4405131331 in words is "four billion, four hundred five million, one hundred thirty-one thousand, three hundred thirty-one".