1002320311100 has 72 divisors (see below), whose sum is σ = 2308780822320. Its totient is φ = 376393374720.

The previous prime is 1002320311093. The next prime is 1002320311123. The reversal of 1002320311100 is 11130232001.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 67670 + ... + 1417469.

It is an arithmetic number, because the mean of its divisors is an integer number (32066400310).

Almost surely, 2^{1002320311100} is an apocalyptic number.

1002320311100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002320311100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1154390411160).

1002320311100 is an abundant number, since it is smaller than the sum of its proper divisors (1306460511220).

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

1002320311100 is a wasteful number, since it uses less digits than its factorization.

1002320311100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485567 (or 1485560 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1002320311100 its reverse (11130232001), we get a palindrome (1013450543101).

The spelling of 1002320311100 in words is "one trillion, two billion, three hundred twenty million, three hundred eleven thousand, one hundred".