2531002044 has 12 divisors (see below), whose sum is σ = 5905671464. Its totient is φ = 843667344.

The previous prime is 2531002013. The next prime is 2531002069. The reversal of 2531002044 is 4402001352.

2531002044 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2531002044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105458407 + ... + 105458430.

Almost surely, 2^2531002044 is an apocalyptic number.

It is an amenable number.

2531002044 is an abundant number, since it is smaller than the sum of its proper divisors (3374669420).

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

2531002044 is a wasteful number, since it uses less digits than its factorization.

2531002044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210916844 (or 210916842 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2531002044 is about 50309.0652268555. The cubic root of 2531002044 is about 1362.7959428299.

Adding to 2531002044 its reverse (4402001352), we get a palindrome (6933003396).

The spelling of 2531002044 in words is "two billion, five hundred thirty-one million, two thousand, forty-four".