2531005430000 has 100 divisors (see below), whose sum is σ = 6129908520120. Its totient is φ = 1012056672000.

The previous prime is 2531005429999. The next prime is 2531005430029. The reversal of 2531005430000 is 345001352.

It is a tau number, because it is divible by the number of its divisors (100).

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 19 ways as a sum of consecutive naturals, for example, 30328331 + ... + 30411669.

Almost surely, 2^{2531005430000} is an apocalyptic number.

2531005430000 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 2531005430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3064954260060).

2531005430000 is an abundant number, since it is smaller than the sum of its proper divisors (3598903090120).

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

2531005430000 is an equidigital number, since it uses as much as digits as its factorization.

2531005430000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86404 (or 86383 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The spelling of 2531005430000 in words is "two trillion, five hundred thirty-one billion, five million, four hundred thirty thousand".