1323031322 has 4 divisors (see below), whose sum is σ = 1984546986. Its totient is φ = 661515660.

The previous prime is 1323031289. The next prime is 1323031327. The reversal of 1323031322 is 2231303231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 720868801 + 602162521 = 26849^2 + 24539^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1323031294 and 1323031303.

It is not an unprimeable number, because it can be changed into a prime (1323031327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330757829 + ... + 330757832.

Almost surely, 2^1323031322 is an apocalyptic number.

1323031322 is a deficient number, since it is larger than the sum of its proper divisors (661515664).

1323031322 is an equidigital number, since it uses as much as digits as its factorization.

1323031322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661515663.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1323031322 is about 36373.4975222345. The cubic root of 1323031322 is about 1097.8003763379.

Adding to 1323031322 its reverse (2231303231), we get a palindrome (3554334553).

The spelling of 1323031322 in words is "one billion, three hundred twenty-three million, thirty-one thousand, three hundred twenty-two".