2531144510211 has 4 divisors (see below), whose sum is σ = 3374859346952. Its totient is φ = 1687429673472.

The previous prime is 2531144510177. The next prime is 2531144510221. The reversal of 2531144510211 is 1120154411352.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2531144510211 - 2¹¹ = 2531144508163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2531144510221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421857418366 + ... + 421857418371.

It is an arithmetic number, because the mean of its divisors is an integer number (843714836738).

Almost surely, 2^{2531144510211} is an apocalyptic number.

2531144510211 is a deficient number, since it is larger than the sum of its proper divisors (843714836741).

2531144510211 is an equidigital number, since it uses as much as digits as its factorization.

2531144510211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843714836740.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 2531144510211 its reverse (1120154411352), we get a palindrome (3651298921563).

The spelling of 2531144510211 in words is "two trillion, five hundred thirty-one billion, one hundred forty-four million, five hundred ten thousand, two hundred eleven".