2231776669631 has 2 divisors, whose sum is σ = 2231776669632. Its totient is φ = 2231776669630.

The previous prime is 2231776669627. The next prime is 2231776669643. The reversal of 2231776669631 is 1369666771322.

2231776669631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231776669631 - 2² = 2231776669627 is a prime.

It is a super-3 number, since 3×2231776669631³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231776666631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115888334815 + 1115888334816.

It is an arithmetic number, because the mean of its divisors is an integer number (1115888334816).

Almost surely, 2^{2231776669631} is an apocalyptic number.

2231776669631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231776669631 is an equidigital number, since it uses as much as digits as its factorization.

2231776669631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20575296, while the sum is 59.

The spelling of 2231776669631 in words is "two trillion, two hundred thirty-one billion, seven hundred seventy-six million, six hundred sixty-nine thousand, six hundred thirty-one".