1321030683360 has 144 divisors (see below), whose sum is σ = 4535674560144. Its totient is φ = 350113591296.

The previous prime is 1321030683347. The next prime is 1321030683377. The reversal of 1321030683360 is 633860301231.

1321030683360 is a `hidden beast` number, since 1 + 3 + 2 + 10 + 306 + 8 + 336 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 2579337 + ... + 3048776.

It is an arithmetic number, because the mean of its divisors is an integer number (31497740001).

Almost surely, 2^{1321030683360} is an apocalyptic number.

1321030683360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321030683360 is an abundant number, since it is smaller than the sum of its proper divisors (3214643876784).

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

1321030683360 is a wasteful number, since it uses less digits than its factorization.

1321030683360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628297 (or 5628286 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

Adding to 1321030683360 its reverse (633860301231), we get a palindrome (1954890984591).

The spelling of 1321030683360 in words is "one trillion, three hundred twenty-one billion, thirty million, six hundred eighty-three thousand, three hundred sixty".