2231013219109 has 2 divisors, whose sum is σ = 2231013219110. Its totient is φ = 2231013219108.

The previous prime is 2231013219107. The next prime is 2231013219143. The reversal of 2231013219109 is 9019123101322.

It is an a-pointer prime, because the next prime (2231013219143) can be obtained adding 2231013219109 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1201386982084 + 1029626237025 = 1096078^2 + 1014705^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231013219109 - 2¹ = 2231013219107 is a prime.

It is a super-3 number, since 3×2231013219109³ (a number of 38 digits) contains 333 as substring.

Together with 2231013219107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231013219101) 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, 1115506609554 + 1115506609555.

It is an arithmetic number, because the mean of its divisors is an integer number (1115506609555).

Almost surely, 2^{2231013219109} is an apocalyptic number.

It is an amenable number.

2231013219109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231013219109 is an equidigital number, since it uses as much as digits as its factorization.

2231013219109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 2231013219109 in words is "two trillion, two hundred thirty-one billion, thirteen million, two hundred nineteen thousand, one hundred nine".