2331131263 has 2 divisors, whose sum is σ = 2331131264. Its totient is φ = 2331131262.

The previous prime is 2331131249. The next prime is 2331131269. The reversal of 2331131263 is 3621311332.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2331131263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331131269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165565631 + 1165565632.

It is an arithmetic number, because the mean of its divisors is an integer number (1165565632).

Almost surely, 2^2331131263 is an apocalyptic number.

2331131263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331131263 is an equidigital number, since it uses as much as digits as its factorization.

2331131263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 25.

The square root of 2331131263 is about 48281.7901801497. The cubic root of 2331131263 is about 1325.9350254087.

Adding to 2331131263 its reverse (3621311332), we get a palindrome (5952442595).

The spelling of 2331131263 in words is "two billion, three hundred thirty-one million, one hundred thirty-one thousand, two hundred sixty-three".