1313320441 has 8 divisors (see below), whose sum is σ = 1333886400. Its totient is φ = 1292812080.

The previous prime is 1313320391. The next prime is 1313320453. The reversal of 1313320441 is 1440233131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313320441 - 2²¹ = 1311223289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313321441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32755 + ... + 60823.

It is an arithmetic number, because the mean of its divisors is an integer number (166735800).

Almost surely, 2^1313320441 is an apocalyptic number.

It is an amenable number.

1313320441 is a deficient number, since it is larger than the sum of its proper divisors (20565959).

1313320441 is an equidigital number, since it uses as much as digits as its factorization.

1313320441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28799.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1313320441 is about 36239.7632580568. The cubic root of 1313320441 is about 1095.1078731393.

Adding to 1313320441 its reverse (1440233131), we get a palindrome (2753553572).

The spelling of 1313320441 in words is "one billion, three hundred thirteen million, three hundred twenty thousand, four hundred forty-one".