1321321322 has 16 divisors (see below), whose sum is σ = 2007361440. Its totient is φ = 652212912.

The previous prime is 1321321307. The next prime is 1321321327. The reversal of 1321321322 is 2231231231.

It is a junction number, because it is equal to n+sod(n) for n = 1321321294 and 1321321303.

It is not an unprimeable number, because it can be changed into a prime (1321321327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334853 + ... + 338775.

It is an arithmetic number, because the mean of its divisors is an integer number (125460090).

Almost surely, 2^1321321322 is an apocalyptic number.

1321321322 is a deficient number, since it is larger than the sum of its proper divisors (686040118).

1321321322 is a wasteful number, since it uses less digits than its factorization.

1321321322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6037.

The product of its digits is 432, while the sum is 20.

The square root of 1321321322 is about 36349.9837964200. The cubic root of 1321321322 is about 1097.3272084035.

Adding to 1321321322 its reverse (2231231231), we get a palindrome (3552552553).

Subtracting 1321321322 from its reverse (2231231231), we obtain a palindrome (909909909).

The spelling of 1321321322 in words is "one billion, three hundred twenty-one million, three hundred twenty-one thousand, three hundred twenty-two".