2103431120000 has 320 divisors, whose sum is σ = 6006157914240. Its totient is φ = 718556160000.

The previous prime is 2103431119987. The next prime is 2103431120003. The reversal of 2103431120000 is 211343012.

It is a tau number, because it is divible by the number of its divisors (320).

It is not an unprimeable number, because it can be changed into a prime (2103431120003) 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 39 ways as a sum of consecutive naturals, for example, 157353317 + ... + 157366683.

It is an arithmetic number, because the mean of its divisors is an integer number (18769243482).

Almost surely, 2^{2103431120000} is an apocalyptic number.

2103431120000 is a gapful number since it is divisible by the number (20) 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 2103431120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3003078957120).

2103431120000 is an abundant number, since it is smaller than the sum of its proper divisors (3902726794240).

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

2103431120000 is an equidigital number, since it uses as much as digits as its factorization.

2103431120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13689 (or 13662 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2103431120000 its reverse (211343012), we get a palindrome (2103642463012).

The spelling of 2103431120000 in words is "two trillion, one hundred three billion, four hundred thirty-one million, one hundred twenty thousand".