103318681 has 2 divisors, whose sum is σ = 103318682. Its totient is φ = 103318680.

The previous prime is 103318669. The next prime is 103318693. The reversal of 103318681 is 186813301.

It is a balanced prime because it is at equal distance from previous prime (103318669) and next prime (103318693).

It can be written as a sum of positive squares in only one way, i.e., 95942025 + 7376656 = 9795^2 + 2716^2 .

It is a cyclic number.

It is not a de Polignac number, because 103318681 - 2¹⁵ = 103285913 is a prime.

It is a super-2 number, since 2×103318681² = 21349499687159522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103318651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51659340 + 51659341.

It is an arithmetic number, because the mean of its divisors is an integer number (51659341).

Almost surely, 2^103318681 is an apocalyptic number.

It is an amenable number.

103318681 is a deficient number, since it is larger than the sum of its proper divisors (1).

103318681 is an equidigital number, since it uses as much as digits as its factorization.

103318681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 103318681 is about 10164.5797256945. The cubic root of 103318681 is about 469.2377579820.

The spelling of 103318681 in words is "one hundred three million, three hundred eighteen thousand, six hundred eighty-one".