1132320321 has 24 divisors (see below), whose sum is σ = 1787916000. Its totient is φ = 684849600.

The previous prime is 1132320313. The next prime is 1132320347. The reversal of 1132320321 is 1230232311.

1132320321 is a `hidden beast` number, since 1 + 1 + 323 + 20 + 321 = 666.

It is not a de Polignac number, because 1132320321 - 2³ = 1132320313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1132320294 and 1132320303.

It is not an unprimeable number, because it can be changed into a prime (1132320311) 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, 37941 + ... + 60861.

It is an arithmetic number, because the mean of its divisors is an integer number (74496500).

Almost surely, 2^1132320321 is an apocalyptic number.

1132320321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1132320321 is a deficient number, since it is larger than the sum of its proper divisors (655595679).

1132320321 is a wasteful number, since it uses less digits than its factorization.

1132320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23437 (or 23434 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1132320321 is about 33649.9676225699. The cubic root of 1132320321 is about 1042.2928705342.

Adding to 1132320321 its reverse (1230232311), we get a palindrome (2362552632).

The spelling of 1132320321 in words is "one billion, one hundred thirty-two million, three hundred twenty thousand, three hundred twenty-one".