2531405013244 has 24 divisors (see below), whose sum is σ = 4506069239280. Its totient is φ = 1243966434816.

The previous prime is 2531405013239. The next prime is 2531405013281. The reversal of 2531405013244 is 4423105041352.

It is a super-2 number, since 2×2531405013244² (a number of 26 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 7 ways as a sum of consecutive naturals, for example, 182037 + ... + 2257420.

It is an arithmetic number, because the mean of its divisors is an integer number (187752884970).

Almost surely, 2^{2531405013244} is an apocalyptic number.

It is an amenable number.

2531405013244 is a deficient number, since it is larger than the sum of its proper divisors (1974664226036).

2531405013244 is a wasteful number, since it uses less digits than its factorization.

2531405013244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443917 (or 2443915 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 2531405013244 in words is "two trillion, five hundred thirty-one billion, four hundred five million, thirteen thousand, two hundred forty-four".