1330311447 has 24 divisors (see below), whose sum is σ = 1952328560. Its totient is φ = 872778240.

The previous prime is 1330311439. The next prime is 1330311449. The reversal of 1330311447 is 7441130331.

It is not a de Polignac number, because 1330311447 - 2³ = 1330311439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1330311447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330311449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153804 + ... + 162222.

Almost surely, 2^1330311447 is an apocalyptic number.

1330311447 is a deficient number, since it is larger than the sum of its proper divisors (622017113).

1330311447 is a wasteful number, since it uses less digits than its factorization.

1330311447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703 (or 8700 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1330311447 is about 36473.4348122027. The cubic root of 1330311447 is about 1099.8102832594.

Adding to 1330311447 its reverse (7441130331), we get a palindrome (8771441778).

The spelling of 1330311447 in words is "one billion, three hundred thirty million, three hundred eleven thousand, four hundred forty-seven".