11321002031000 has 128 divisors (see below), whose sum is σ = 27115176591360. Its totient is φ = 4421790576000.

The previous prime is 11321002030927. The next prime is 11321002031011. The reversal of 11321002031000 is 13020012311.

It is a super-2 number, since 2×11321002031000² (a number of 27 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 153516137 + ... + 153589863.

It is an arithmetic number, because the mean of its divisors is an integer number (211837317120).

Almost surely, 2^{11321002031000} is an apocalyptic number.

11321002031000 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 11321002031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13557588295680).

11321002031000 is an abundant number, since it is smaller than the sum of its proper divisors (15794174560360).

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

11321002031000 is a wasteful number, since it uses less digits than its factorization.

11321002031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77362 (or 77348 counting only the distinct ones).

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

Adding to 11321002031000 its reverse (13020012311), we get a palindrome (11334022043311).

The spelling of 11321002031000 in words is "eleven trillion, three hundred twenty-one billion, two million, thirty-one thousand".