220310331317 has 2 divisors, whose sum is σ = 220310331318. Its totient is φ = 220310331316.

The previous prime is 220310331289. The next prime is 220310331349. The reversal of 220310331317 is 713133013022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210021474961 + 10288856356 = 458281^2 + 101434^2 .

It is a cyclic number.

It is not a de Polignac number, because 220310331317 - 2⁶ = 220310331253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220310301317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110155165658 + 110155165659.

It is an arithmetic number, because the mean of its divisors is an integer number (110155165659).

Almost surely, 2^220310331317 is an apocalyptic number.

It is an amenable number.

220310331317 is a deficient number, since it is larger than the sum of its proper divisors (1).

220310331317 is an equidigital number, since it uses as much as digits as its factorization.

220310331317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

Adding to 220310331317 its reverse (713133013022), we get a palindrome (933443344339).

The spelling of 220310331317 in words is "two hundred twenty billion, three hundred ten million, three hundred thirty-one thousand, three hundred seventeen".