3109013 has 4 divisors (see below), whose sum is σ = 3131520. Its totient is φ = 3086508.

The previous prime is 3108991. The next prime is 3109031.

3109013 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3109013 - 2⁶ = 3108949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3108982 and 3109000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3109213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11045 + ... + 11322.

It is an arithmetic number, because the mean of its divisors is an integer number (782880).

Almost surely, 2^3109013 is an apocalyptic number.

It is an amenable number.

3109013 is a deficient number, since it is larger than the sum of its proper divisors (22507).

3109013 is a wasteful number, since it uses less digits than its factorization.

3109013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22506.

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

The square root of 3109013 is about 1763.2393484720. The cubic root of 3109013 is about 145.9511471005.

The spelling of 3109013 in words is "three million, one hundred nine thousand, thirteen".