1320313322424 has 32 divisors (see below), whose sum is σ = 3300882520320. Its totient is φ = 440091212256.

The previous prime is 1320313322423. The next prime is 1320313322431. The reversal of 1320313322424 is 4242233130231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1320313322391 and 1320313322400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320313322423) 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, 5407 + ... + 1625009.

It is an arithmetic number, because the mean of its divisors is an integer number (103152578760).

Almost surely, 2^{1320313322424} is an apocalyptic number.

It is an amenable number.

1320313322424 is an abundant number, since it is smaller than the sum of its proper divisors (1980569197896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320313322424 is a wasteful number, since it uses less digits than its factorization.

1320313322424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653579 (or 1653575 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1320313322424 its reverse (4242233130231), we get a palindrome (5562546452655).

The spelling of 1320313322424 in words is "one trillion, three hundred twenty billion, three hundred thirteen million, three hundred twenty-two thousand, four hundred twenty-four".