1320231331304 has 32 divisors (see below), whose sum is σ = 2480616899040. Its totient is φ = 658734897600.

The previous prime is 1320231331303. The next prime is 1320231331327. The reversal of 1320231331304 is 4031331320231.

It is not an unprimeable number, because it can be changed into a prime (1320231331303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7510562 + ... + 7684334.

It is an arithmetic number, because the mean of its divisors is an integer number (77519278095).

Almost surely, 2^{1320231331304} is an apocalyptic number.

It is an amenable number.

1320231331304 is a deficient number, since it is larger than the sum of its proper divisors (1160385567736).

1320231331304 is a wasteful number, since it uses less digits than its factorization.

1320231331304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175761 (or 175757 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1320231331304 its reverse (4031331320231), we get a palindrome (5351562651535).

The spelling of 1320231331304 in words is "one trillion, three hundred twenty billion, two hundred thirty-one million, three hundred thirty-one thousand, three hundred four".