321132116 has 6 divisors (see below), whose sum is σ = 561981210. Its totient is φ = 160566056.

The previous prime is 321132047. The next prime is 321132137. The reversal of 321132116 is 611231123.

It can be written as a sum of positive squares in only one way, i.e., 302899216 + 18232900 = 17404^2 + 4270^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 40141511 + ... + 40141518.

It is an arithmetic number, because the mean of its divisors is an integer number (93663535).

Almost surely, 2^321132116 is an apocalyptic number.

It is an amenable number.

321132116 is a deficient number, since it is larger than the sum of its proper divisors (240849094).

321132116 is a wasteful number, since it uses less digits than its factorization.

321132116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80283033 (or 80283031 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 321132116 is about 17920.1594858974. The cubic root of 321132116 is about 684.7960506012.

Adding to 321132116 its reverse (611231123), we get a palindrome (932363239).

The spelling of 321132116 in words is "three hundred twenty-one million, one hundred thirty-two thousand, one hundred sixteen".