355311072317 has 2 divisors, whose sum is σ = 355311072318. Its totient is φ = 355311072316.

The previous prime is 355311072313. The next prime is 355311072323. The reversal of 355311072317 is 713270113553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254607031396 + 100704040921 = 504586^2 + 317339^2 .

It is a cyclic number.

It is not a de Polignac number, because 355311072317 - 2² = 355311072313 is a prime.

It is a super-2 number, since 2×355311072317² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355311072313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177655536158 + 177655536159.

It is an arithmetic number, because the mean of its divisors is an integer number (177655536159).

Almost surely, 2^355311072317 is an apocalyptic number.

It is an amenable number.

355311072317 is a deficient number, since it is larger than the sum of its proper divisors (1).

355311072317 is an equidigital number, since it uses as much as digits as its factorization.

355311072317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 66150, while the sum is 38.

The spelling of 355311072317 in words is "three hundred fifty-five billion, three hundred eleven million, seventy-two thousand, three hundred seventeen".