1313441330 has 8 divisors (see below), whose sum is σ = 2364194412. Its totient is φ = 525376528.

The previous prime is 1313441323. The next prime is 1313441333. The reversal of 1313441330 is 331443131.

1313441330 = 20923² + 20924² + 20925².

It can be written as a sum of positive squares in 2 ways, for example, as 1258191841 + 55249489 = 35471^2 + 7433^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1313441296 and 1313441305.

It is not an unprimeable number, because it can be changed into a prime (1313441333) 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, 65672057 + ... + 65672076.

Almost surely, 2^1313441330 is an apocalyptic number.

1313441330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313441330 is a deficient number, since it is larger than the sum of its proper divisors (1050753082).

1313441330 is a wasteful number, since it uses less digits than its factorization.

1313441330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131344140.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1313441330 is about 36241.4311251639. The cubic root of 1313441330 is about 1095.1414730716.

Adding to 1313441330 its reverse (331443131), we get a palindrome (1644884461).

The spelling of 1313441330 in words is "one billion, three hundred thirteen million, four hundred forty-one thousand, three hundred thirty".