1311330441 has 16 divisors (see below), whose sum is σ = 1827884160. Its totient is φ = 834641280.

The previous prime is 1311330437. The next prime is 1311330457. The reversal of 1311330441 is 1440331131.

It is not a de Polignac number, because 1311330441 - 2² = 1311330437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311330491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19765 + ... + 54893.

It is an arithmetic number, because the mean of its divisors is an integer number (114242760).

Almost surely, 2^1311330441 is an apocalyptic number.

It is an amenable number.

1311330441 is a deficient number, since it is larger than the sum of its proper divisors (516553719).

1311330441 is a wasteful number, since it uses less digits than its factorization.

1311330441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35696.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1311330441 is about 36212.2968202792. The cubic root of 1311330441 is about 1094.5544752448.

Adding to 1311330441 its reverse (1440331131), we get a palindrome (2751661572).

The spelling of 1311330441 in words is "one billion, three hundred eleven million, three hundred thirty thousand, four hundred forty-one".