2231631659 has 2 divisors, whose sum is σ = 2231631660. Its totient is φ = 2231631658.

The previous prime is 2231631641. The next prime is 2231631671. The reversal of 2231631659 is 9561361322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231631659 is a prime.

It is a super-3 number, since 3×2231631659³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2231631679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115815829 + 1115815830.

It is an arithmetic number, because the mean of its divisors is an integer number (1115815830).

Almost surely, 2^2231631659 is an apocalyptic number.

2231631659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231631659 is an equidigital number, since it uses as much as digits as its factorization.

2231631659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The square root of 2231631659 is about 47240.1488037453. The cubic root of 2231631659 is about 1306.7951218713.

The spelling of 2231631659 in words is "two billion, two hundred thirty-one million, six hundred thirty-one thousand, six hundred fifty-nine".