1213110032317 has 2 divisors, whose sum is σ = 1213110032318. Its totient is φ = 1213110032316.

The previous prime is 1213110032293. The next prime is 1213110032357. The reversal of 1213110032317 is 7132300113121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1080547776036 + 132562256281 = 1039494^2 + 364091^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213110032317 - 2¹¹ = 1213110030269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213110032291 and 1213110032300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213110032357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606555016158 + 606555016159.

It is an arithmetic number, because the mean of its divisors is an integer number (606555016159).

Almost surely, 2^{1213110032317} is an apocalyptic number.

It is an amenable number.

1213110032317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213110032317 is an equidigital number, since it uses as much as digits as its factorization.

1213110032317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 1213110032317 its reverse (7132300113121), we get a palindrome (8345410145438).

The spelling of 1213110032317 in words is "one trillion, two hundred thirteen billion, one hundred ten million, thirty-two thousand, three hundred seventeen".