1320304316 has 12 divisors (see below), whose sum is σ = 2312003232. Its totient is φ = 659731968.

The previous prime is 1320304289. The next prime is 1320304331. The reversal of 1320304316 is 6134030231.

It is a junction number, because it is equal to n+sod(n) for n = 1320304291 and 1320304300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97925 + ... + 110588.

It is an arithmetic number, because the mean of its divisors is an integer number (192666936).

Almost surely, 2^1320304316 is an apocalyptic number.

It is an amenable number.

1320304316 is a deficient number, since it is larger than the sum of its proper divisors (991698916).

1320304316 is a wasteful number, since it uses less digits than its factorization.

1320304316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210100 (or 210098 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1320304316 is about 36335.9920189335. The cubic root of 1320304316 is about 1097.0456027158.

Adding to 1320304316 its reverse (6134030231), we get a palindrome (7454334547).

The spelling of 1320304316 in words is "one billion, three hundred twenty million, three hundred four thousand, three hundred sixteen".