318755046216331 has 2 divisors, whose sum is σ = 318755046216332. Its totient is φ = 318755046216330.

The previous prime is 318755046216323. The next prime is 318755046216353. The reversal of 318755046216331 is 133612640557813.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 318755046216331 - 2³ = 318755046216323 is a prime.

It is a super-3 number, since 3×318755046216331³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (318755046210331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159377523108165 + 159377523108166.

It is an arithmetic number, because the mean of its divisors is an integer number (159377523108166).

Almost surely, 2^{318755046216331} is an apocalyptic number.

318755046216331 is a deficient number, since it is larger than the sum of its proper divisors (1).

318755046216331 is an equidigital number, since it uses as much as digits as its factorization.

318755046216331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 318755046216331 in words is "three hundred eighteen trillion, seven hundred fifty-five billion, forty-six million, two hundred sixteen thousand, three hundred thirty-one".