1313320984 has 8 divisors (see below), whose sum is σ = 2462476860. Its totient is φ = 656660488.

The previous prime is 1313320969. The next prime is 1313320991. The reversal of 1313320984 is 4890233131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 82082554 + ... + 82082569.

Almost surely, 2^1313320984 is an apocalyptic number.

It is an amenable number.

1313320984 is a deficient number, since it is larger than the sum of its proper divisors (1149155876).

1313320984 is a wasteful number, since it uses less digits than its factorization.

1313320984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164165129 (or 164165125 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1313320984 is about 36239.7707498268. The cubic root of 1313320984 is about 1095.1080240655.

The spelling of 1313320984 in words is "one billion, three hundred thirteen million, three hundred twenty thousand, nine hundred eighty-four".