318032044877 has 2 divisors, whose sum is σ = 318032044878. Its totient is φ = 318032044876.

The previous prime is 318032044867. The next prime is 318032044909. The reversal of 318032044877 is 778440230813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317948249161 + 83795716 = 563869^2 + 9154^2 .

It is a cyclic number.

It is not a de Polignac number, because 318032044877 - 2¹⁶ = 318031979341 is a prime.

It is a super-2 number, since 2×318032044877² (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 (318032044867) 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, 159016022438 + 159016022439.

It is an arithmetic number, because the mean of its divisors is an integer number (159016022439).

Almost surely, 2^318032044877 is an apocalyptic number.

It is an amenable number.

318032044877 is a deficient number, since it is larger than the sum of its proper divisors (1).

318032044877 is an equidigital number, since it uses as much as digits as its factorization.

318032044877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 318032044877 in words is "three hundred eighteen billion, thirty-two million, forty-four thousand, eight hundred seventy-seven".