318677941 has 2 divisors, whose sum is σ = 318677942. Its totient is φ = 318677940.

The previous prime is 318677921. The next prime is 318677977. The reversal of 318677941 is 149776813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285948100 + 32729841 = 16910^2 + 5721^2 .

It is a cyclic number.

It is not a de Polignac number, because 318677941 - 2¹⁷ = 318546869 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 318677891 and 318677900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318677921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159338970 + 159338971.

It is an arithmetic number, because the mean of its divisors is an integer number (159338971).

Almost surely, 2^318677941 is an apocalyptic number.

It is an amenable number.

318677941 is a deficient number, since it is larger than the sum of its proper divisors (1).

318677941 is an equidigital number, since it uses as much as digits as its factorization.

318677941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 46.

The square root of 318677941 is about 17851.5529016386. The cubic root of 318677941 is about 683.0471246908.

The spelling of 318677941 in words is "three hundred eighteen million, six hundred seventy-seven thousand, nine hundred forty-one".