1383330321 has 24 divisors (see below), whose sum is σ = 2105064000. Its totient is φ = 872953632.

The previous prime is 1383330313. The next prime is 1383330323. The reversal of 1383330321 is 1230333831.

1383330321 is a `hidden beast` number, since 1 + 3 + 8 + 3 + 330 + 321 = 666.

It is not a de Polignac number, because 1383330321 - 2³ = 1383330313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1383330323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263995 + ... + 269183.

It is an arithmetic number, because the mean of its divisors is an integer number (87711000).

Almost surely, 2^1383330321 is an apocalyptic number.

It is an amenable number.

1383330321 is a deficient number, since it is larger than the sum of its proper divisors (721733679).

1383330321 is a wasteful number, since it uses less digits than its factorization.

1383330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6773 (or 6770 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 1383330321 is about 37193.1488449150. The cubic root of 1383330321 is about 1114.2311579869.

The spelling of 1383330321 in words is "one billion, three hundred eighty-three million, three hundred thirty thousand, three hundred twenty-one".