17231211213349 has 6 divisors (see below), whose sum is σ = 20044470187014. Its totient is φ = 14769609611400.

The previous prime is 17231211213331. The next prime is 17231211213361. The reversal of 17231211213349 is 94331211213271.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17003400696324 + 227810517025 = 4123518^2 + 477295^2 .

It is not a de Polignac number, because 17231211213349 - 2¹⁹ = 17231210689061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17231211210349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175828685802 + ... + 175828685899.

It is an arithmetic number, because the mean of its divisors is an integer number (3340745031169).

Almost surely, 2^{17231211213349} is an apocalyptic number.

It is an amenable number.

17231211213349 is a deficient number, since it is larger than the sum of its proper divisors (2813258973665).

17231211213349 is an equidigital number, since it uses as much as digits as its factorization.

17231211213349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351657371715 (or 351657371708 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The spelling of 17231211213349 in words is "seventeen trillion, two hundred thirty-one billion, two hundred eleven million, two hundred thirteen thousand, three hundred forty-nine".