3111085 has 12 divisors (see below), whose sum is σ = 3967668. Its totient is φ = 2341376.

The previous prime is 3111083. The next prime is 3111107. The reversal of 3111085 is 5801113.

It can be written as a sum of positive squares in 6 ways, for example, as 2916 + 3108169 = 54^2 + 1763^2 .

It is not a de Polignac number, because 3111085 - 2¹ = 3111083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369 + ... + 2521.

It is an arithmetic number, because the mean of its divisors is an integer number (330639).

Almost surely, 2^3111085 is an apocalyptic number.

It is an amenable number.

3111085 is a deficient number, since it is larger than the sum of its proper divisors (856583).

3111085 is a wasteful number, since it uses less digits than its factorization.

3111085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 3111085 is about 1763.8268055566. The cubic root of 3111085 is about 145.9835629209.

Adding to 3111085 its reverse (5801113), we get a palindrome (8912198).

It can be divided in two parts, 311108 and 5, that added together give a palindrome (311113).

The spelling of 3111085 in words is "three million, one hundred eleven thousand, eighty-five".