321132113 has 4 divisors (see below), whose sum is σ = 321695088. Its totient is φ = 320569140.

The previous prime is 321132047. The next prime is 321132137. The reversal of 321132113 is 311231123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321132113 - 2¹⁰ = 321131089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321132091 and 321132100.

It is not an unprimeable number, because it can be changed into a prime (321132173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280631 + ... + 281772.

It is an arithmetic number, because the mean of its divisors is an integer number (80423772).

Almost surely, 2^321132113 is an apocalyptic number.

It is an amenable number.

321132113 is a deficient number, since it is larger than the sum of its proper divisors (562975).

321132113 is an equidigital number, since it uses as much as digits as its factorization.

321132113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562974.

The product of its digits is 108, while the sum is 17.

The square root of 321132113 is about 17920.1594021928. The cubic root of 321132113 is about 684.7960484687.

Adding to 321132113 its reverse (311231123), we get a palindrome (632363236).

The spelling of 321132113 in words is "three hundred twenty-one million, one hundred thirty-two thousand, one hundred thirteen".