311303423017 has 2 divisors, whose sum is σ = 311303423018. Its totient is φ = 311303423016.

The previous prime is 311303422987. The next prime is 311303423029. The reversal of 311303423017 is 710324303113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225260347456 + 86043075561 = 474616^2 + 293331^2 .

It is an emirp because it is prime and its reverse (710324303113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311303423017 - 2⁷ = 311303422889 is a prime.

It is not a weakly prime, because it can be changed into another prime (311303423087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155651711508 + 155651711509.

It is an arithmetic number, because the mean of its divisors is an integer number (155651711509).

Almost surely, 2^311303423017 is an apocalyptic number.

It is an amenable number.

311303423017 is a deficient number, since it is larger than the sum of its proper divisors (1).

311303423017 is an equidigital number, since it uses as much as digits as its factorization.

311303423017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The spelling of 311303423017 in words is "three hundred eleven billion, three hundred three million, four hundred twenty-three thousand, seventeen".