1313304444 has 36 divisors (see below), whose sum is σ = 3321176040. Its totient is φ = 437579040.

The previous prime is 1313304401. The next prime is 1313304457. The reversal of 1313304444 is 4444033131.

1313304444 is a `hidden beast` number, since 1 + 313 + 304 + 4 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 95014 + ... + 107954.

It is an arithmetic number, because the mean of its divisors is an integer number (92254890).

Almost surely, 2^1313304444 is an apocalyptic number.

It is an amenable number.

1313304444 is an abundant number, since it is smaller than the sum of its proper divisors (2007871596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313304444 is a wasteful number, since it uses less digits than its factorization.

1313304444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15770 (or 15765 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1313304444 is about 36239.5425467817. The cubic root of 1313304444 is about 1095.1034267728.

Adding to 1313304444 its reverse (4444033131), we get a palindrome (5757337575).

The spelling of 1313304444 in words is "one billion, three hundred thirteen million, three hundred four thousand, four hundred forty-four".