321132353 has 8 divisors (see below), whose sum is σ = 329284008. Its totient is φ = 313058304.

The previous prime is 321132347. The next prime is 321132367. The reversal of 321132353 is 353231123.

It can be written as a sum of positive squares in 4 ways, for example, as 73479184 + 247653169 = 8572^2 + 15737^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321132353 - 2⁶ = 321132289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321132323) 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 7 ways as a sum of consecutive naturals, for example, 10976 + ... + 27617.

It is an arithmetic number, because the mean of its divisors is an integer number (41160501).

Almost surely, 2^321132353 is an apocalyptic number.

It is an amenable number.

321132353 is a deficient number, since it is larger than the sum of its proper divisors (8151655).

321132353 is a wasteful number, since it uses less digits than its factorization.

321132353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38803.

The product of its digits is 1620, while the sum is 23.

The square root of 321132353 is about 17920.1660985606. The cubic root of 321132353 is about 684.7962190642.

Adding to 321132353 its reverse (353231123), we get a palindrome (674363476).

The spelling of 321132353 in words is "three hundred twenty-one million, one hundred thirty-two thousand, three hundred fifty-three".