3118081 has 2 divisors, whose sum is σ = 3118082. Its totient is φ = 3118080.

The previous prime is 3118069. The next prime is 3118099. The reversal of 3118081 is 1808113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2005056 + 1113025 = 1416^2 + 1055^2 .

It is a cyclic number.

It is not a de Polignac number, because 3118081 - 2¹¹ = 3116033 is a prime.

It is a super-2 number, since 2×3118081² = 19444858245122, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3118481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1559040 + 1559041.

It is an arithmetic number, because the mean of its divisors is an integer number (1559041).

Almost surely, 2^3118081 is an apocalyptic number.

It is an amenable number.

3118081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3118081 is an equidigital number, since it uses as much as digits as its factorization.

3118081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 3118081 is about 1765.8088798055. The cubic root of 3118081 is about 146.0929070261.

The spelling of 3118081 in words is "three million, one hundred eighteen thousand, eighty-one".