3113661 has 8 divisors (see below), whose sum is σ = 4263904. Its totient is φ = 2019600.

The previous prime is 3113647. The next prime is 3113683. The reversal of 3113661 is 1663113.

3113661 is nontrivially palindromic in base 11.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3113661 - 2¹⁷ = 2982589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13915 + ... + 14136.

It is an arithmetic number, because the mean of its divisors is an integer number (532988).

Almost surely, 2^3113661 is an apocalyptic number.

It is an amenable number.

3113661 is a deficient number, since it is larger than the sum of its proper divisors (1150243).

3113661 is a wasteful number, since it uses less digits than its factorization.

3113661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28091.

The product of its digits is 324, while the sum is 21.

The square root of 3113661 is about 1764.5568848864. The cubic root of 3113661 is about 146.0238436069.

Adding to 3113661 its reverse (1663113), we get a palindrome (4776774).

The spelling of 3113661 in words is "three million, one hundred thirteen thousand, six hundred sixty-one".