1320544312 has 16 divisors (see below), whose sum is σ = 2478825360. Its totient is φ = 659524224.

The previous prime is 1320544307. The next prime is 1320544331. The reversal of 1320544312 is 2134450231.

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, 85953 + ... + 100144.

It is an arithmetic number, because the mean of its divisors is an integer number (154926585).

Almost surely, 2^1320544312 is an apocalyptic number.

It is an amenable number.

1320544312 is a deficient number, since it is larger than the sum of its proper divisors (1158281048).

1320544312 is a wasteful number, since it uses less digits than its factorization.

1320544312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186990 (or 186986 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1320544312 is about 36339.2943244637. The cubic root of 1320544312 is about 1097.1120698684.

Adding to 1320544312 its reverse (2134450231), we get a palindrome (3454994543).

The spelling of 1320544312 in words is "one billion, three hundred twenty million, five hundred forty-four thousand, three hundred twelve".