1323310313020 has 24 divisors (see below), whose sum is σ = 2779909048224. Its totient is φ = 529141765056.

The previous prime is 1323310312991. The next prime is 1323310313027. The reversal of 1323310313020 is 203130133231.

It is a junction number, because it is equal to n+sod(n) for n = 1323310312982 and 1323310313000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323310313027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11337999 + ... + 11454118.

It is an arithmetic number, because the mean of its divisors is an integer number (115829543676).

Almost surely, 2^{1323310313020} is an apocalyptic number.

1323310313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323310313020 is an abundant number, since it is smaller than the sum of its proper divisors (1456598735204).

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

1323310313020 is a wasteful number, since it uses less digits than its factorization.

1323310313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22795029 (or 22795027 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1323310313020 its reverse (203130133231), we get a palindrome (1526440446251).

The spelling of 1323310313020 in words is "one trillion, three hundred twenty-three billion, three hundred ten million, three hundred thirteen thousand, twenty".