1313242804 has 24 divisors (see below), whose sum is σ = 2324249928. Its totient is φ = 649190400.

The previous prime is 1313242783. The next prime is 1313242811. The reversal of 1313242804 is 4082423131.

It can be written as a sum of positive squares in 4 ways, for example, as 634536100 + 678706704 = 25190^2 + 26052^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 344332 + ... + 348124.

It is an arithmetic number, because the mean of its divisors is an integer number (96843747).

Almost surely, 2^1313242804 is an apocalyptic number.

It is an amenable number.

1313242804 is a deficient number, since it is larger than the sum of its proper divisors (1011007124).

1313242804 is a wasteful number, since it uses less digits than its factorization.

1313242804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755 (or 4753 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1313242804 is about 36238.6920845662. The cubic root of 1313242804 is about 1095.0862935961.

Adding to 1313242804 its reverse (4082423131), we get a palindrome (5395665935).

The spelling of 1313242804 in words is "one billion, three hundred thirteen million, two hundred forty-two thousand, eight hundred four".