2231242331 has 2 divisors, whose sum is σ = 2231242332. Its totient is φ = 2231242330.

The previous prime is 2231242301. The next prime is 2231242381. The reversal of 2231242331 is 1332421322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231242331 - 2¹⁸ = 2230980187 is a prime.

It is a super-3 number, since 3×2231242331³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231242297 and 2231242306.

It is not a weakly prime, because it can be changed into another prime (2231242301) 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, 1115621165 + 1115621166.

It is an arithmetic number, because the mean of its divisors is an integer number (1115621166).

Almost surely, 2^2231242331 is an apocalyptic number.

2231242331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231242331 is an equidigital number, since it uses as much as digits as its factorization.

2231242331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

The square root of 2231242331 is about 47236.0278918539. The cubic root of 2231242331 is about 1306.7191234393.

Adding to 2231242331 its reverse (1332421322), we get a palindrome (3563663653).

The spelling of 2231242331 in words is "two billion, two hundred thirty-one million, two hundred forty-two thousand, three hundred thirty-one".