2531072310449 has 8 divisors (see below), whose sum is σ = 2686355007840. Its totient is φ = 2376500289856.

The previous prime is 2531072310443. The next prime is 2531072310461. The reversal of 2531072310449 is 9440132701352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2531072310449 - 2¹² = 2531072306353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2531072310443) by changing a digit.

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, 177661859 + ... + 177676104.

It is an arithmetic number, because the mean of its divisors is an integer number (335794375980).

Almost surely, 2^{2531072310449} is an apocalyptic number.

It is an amenable number.

2531072310449 is a deficient number, since it is larger than the sum of its proper divisors (155282697391).

2531072310449 is a wasteful number, since it uses less digits than its factorization.

2531072310449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355338399.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 2531072310449 in words is "two trillion, five hundred thirty-one billion, seventy-two million, three hundred ten thousand, four hundred forty-nine".