2531131363 has 4 divisors (see below), whose sum is σ = 2531473168. Its totient is φ = 2530789560.

The previous prime is 2531131297. The next prime is 2531131387. The reversal of 2531131363 is 3631311352.

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

It is a cyclic number.

It is not a de Polignac number, because 2531131363 - 2¹⁷ = 2531000291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2531131663) 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 3 ways as a sum of consecutive naturals, for example, 159543 + ... + 174688.

It is an arithmetic number, because the mean of its divisors is an integer number (632868292).

Almost surely, 2^2531131363 is an apocalyptic number.

2531131363 is a deficient number, since it is larger than the sum of its proper divisors (341805).

2531131363 is an equidigital number, since it uses as much as digits as its factorization.

2531131363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341804.

The product of its digits is 4860, while the sum is 28.

The square root of 2531131363 is about 50310.3504559449. The cubic root of 2531131363 is about 1362.8191526632.

The spelling of 2531131363 in words is "two billion, five hundred thirty-one million, one hundred thirty-one thousand, three hundred sixty-three".