1320311204 has 48 divisors (see below), whose sum is σ = 2438553600. Its totient is φ = 624660000.

The previous prime is 1320311203. The next prime is 1320311221. The reversal of 1320311204 is 4021130231.

It is not an unprimeable number, because it can be changed into a prime (1320311203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1835957 + ... + 1836675.

It is an arithmetic number, because the mean of its divisors is an integer number (50803200).

Almost surely, 2^1320311204 is an apocalyptic number.

It is an amenable number.

1320311204 is a deficient number, since it is larger than the sum of its proper divisors (1118242396).

1320311204 is a wasteful number, since it uses less digits than its factorization.

1320311204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1320311204 is about 36336.0868008651. The cubic root of 1320311204 is about 1097.0475104672.

Adding to 1320311204 its reverse (4021130231), we get a palindrome (5341441435).

The spelling of 1320311204 in words is "one billion, three hundred twenty million, three hundred eleven thousand, two hundred four".