2231351132663 has 2 divisors, whose sum is σ = 2231351132664. Its totient is φ = 2231351132662.

The previous prime is 2231351132623. The next prime is 2231351132671. The reversal of 2231351132663 is 3662311531322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231351132663 - 2¹⁴ = 2231351116279 is a prime.

It is a super-3 number, since 3×2231351132663³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231351132603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115675566331 + 1115675566332.

It is an arithmetic number, because the mean of its divisors is an integer number (1115675566332).

Almost surely, 2^{2231351132663} is an apocalyptic number.

2231351132663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231351132663 is an equidigital number, since it uses as much as digits as its factorization.

2231351132663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 38.

Adding to 2231351132663 its reverse (3662311531322), we get a palindrome (5893662663985).

The spelling of 2231351132663 in words is "two trillion, two hundred thirty-one billion, three hundred fifty-one million, one hundred thirty-two thousand, six hundred sixty-three".