1313323680 has 96 divisors (see below), whose sum is σ = 4270468608. Its totient is φ = 338918400.

The previous prime is 1313323663. The next prime is 1313323721. The reversal of 1313323680 is 863233131.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29251 + ... + 59010.

It is an arithmetic number, because the mean of its divisors is an integer number (44484048).

Almost surely, 2^1313323680 is an apocalyptic number.

1313323680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313323680 is an abundant number, since it is smaller than the sum of its proper divisors (2957144928).

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

1313323680 is a wasteful number, since it uses less digits than its factorization.

1313323680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88310 (or 88302 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1313323680 is about 36239.8079465110. The cubic root of 1313323680 is about 1095.1087734150.

The spelling of 1313323680 in words is "one billion, three hundred thirteen million, three hundred twenty-three thousand, six hundred eighty".