311223003317 has 2 divisors, whose sum is σ = 311223003318. Its totient is φ = 311223003316.

The previous prime is 311223003257. The next prime is 311223003331. The reversal of 311223003317 is 713300322113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193001183761 + 118221819556 = 439319^2 + 343834^2 .

It is an emirp because it is prime and its reverse (713300322113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311223003317 - 2¹² = 311222999221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311223002317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155611501658 + 155611501659.

It is an arithmetic number, because the mean of its divisors is an integer number (155611501659).

Almost surely, 2^311223003317 is an apocalyptic number.

It is an amenable number.

311223003317 is a deficient number, since it is larger than the sum of its proper divisors (1).

311223003317 is an equidigital number, since it uses as much as digits as its factorization.

311223003317 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.

The spelling of 311223003317 in words is "three hundred eleven billion, two hundred twenty-three million, three thousand, three hundred seventeen".