318832069121 has 2 divisors, whose sum is σ = 318832069122. Its totient is φ = 318832069120.

The previous prime is 318832069097. The next prime is 318832069223. The reversal of 318832069121 is 121960238813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299905188496 + 18926880625 = 547636^2 + 137575^2 .

It is a cyclic number.

It is not a de Polignac number, because 318832069121 - 2²⁶ = 318764960257 is a prime.

It is not a weakly prime, because it can be changed into another prime (318832062121) 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, 159416034560 + 159416034561.

It is an arithmetic number, because the mean of its divisors is an integer number (159416034561).

Almost surely, 2^318832069121 is an apocalyptic number.

It is an amenable number.

318832069121 is a deficient number, since it is larger than the sum of its proper divisors (1).

318832069121 is an equidigital number, since it uses as much as digits as its factorization.

318832069121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 318832069121 in words is "three hundred eighteen billion, eight hundred thirty-two million, sixty-nine thousand, one hundred twenty-one".