13321000231000 has 384 divisors, whose sum is σ = 39896083543680. Its totient is φ = 4073646720000.

The previous prime is 13321000230991. The next prime is 13321000231003. The reversal of 13321000231000 is 13200012331.

It is a super-2 number, since 2×13321000231000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321000231003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44742630 + ... + 45039370.

It is an arithmetic number, because the mean of its divisors is an integer number (103896050895).

Almost surely, 2^{13321000231000} is an apocalyptic number.

13321000231000 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 13321000231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19948041771840).

13321000231000 is an abundant number, since it is smaller than the sum of its proper divisors (26575083312680).

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

13321000231000 is a wasteful number, since it uses less digits than its factorization.

13321000231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296844 (or 296819 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13321000231000 its reverse (13200012331), we get a palindrome (13334200243331).

The spelling of 13321000231000 in words is "thirteen trillion, three hundred twenty-one billion, two hundred thirty-one thousand".