2231012447 has 2 divisors, whose sum is σ = 2231012448. Its totient is φ = 2231012446.

The previous prime is 2231012419. The next prime is 2231012479. The reversal of 2231012447 is 7442101322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231012447 - 2⁶ = 2231012383 is a prime.

It is a super-3 number, since 3×2231012447³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231012647) 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, 1115506223 + 1115506224.

It is an arithmetic number, because the mean of its divisors is an integer number (1115506224).

Almost surely, 2^2231012447 is an apocalyptic number.

2231012447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231012447 is an equidigital number, since it uses as much as digits as its factorization.

2231012447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2231012447 is about 47233.5944746957. The cubic root of 2231012447 is about 1306.6742449827.

Adding to 2231012447 its reverse (7442101322), we get a palindrome (9673113769).

The spelling of 2231012447 in words is "two billion, two hundred thirty-one million, twelve thousand, four hundred forty-seven".