3091013 has 4 divisors (see below), whose sum is σ = 3149388. Its totient is φ = 3032640.

The previous prime is 3091009. The next prime is 3091019. The reversal of 3091013 is 3101903.

3091013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3101903 = 7 ⋅443129.

It can be written as a sum of positive squares in 2 ways, for example, as 879844 + 2211169 = 938^2 + 1487^2 .

It is a cyclic number.

It is not a de Polignac number, because 3091013 - 2² = 3091009 is a prime.

It is a super-2 number, since 2×3091013² = 19108722732338, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3090982 and 3091000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3091019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29108 + ... + 29213.

It is an arithmetic number, because the mean of its divisors is an integer number (787347).

Almost surely, 2^3091013 is an apocalyptic number.

It is an amenable number.

3091013 is a deficient number, since it is larger than the sum of its proper divisors (58375).

3091013 is an equidigital number, since it uses as much as digits as its factorization.

3091013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58374.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 3091013 is about 1758.1276972962. The cubic root of 3091013 is about 145.6689345969.

Adding to 3091013 its reverse (3101903), we get a palindrome (6192916).

The spelling of 3091013 in words is "three million, ninety-one thousand, thirteen".