3113155 has 8 divisors (see below), whose sum is σ = 3791952. Its totient is φ = 2453088.

The previous prime is 3113147. The next prime is 3113177. The reversal of 3113155 is 5513113.

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

It is a cyclic number.

It is not a de Polignac number, because 3113155 - 2³ = 3113147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4312 + ... + 4981.

It is an arithmetic number, because the mean of its divisors is an integer number (473994).

Almost surely, 2^3113155 is an apocalyptic number.

3113155 is a deficient number, since it is larger than the sum of its proper divisors (678797).

3113155 is an equidigital number, since it uses as much as digits as its factorization.

3113155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9365.

The product of its digits is 225, while the sum is 19.

The square root of 3113155 is about 1764.4135002884. The cubic root of 3113155 is about 146.0159330832.

Adding to 3113155 its reverse (5513113), we get a palindrome (8626268).

The spelling of 3113155 in words is "three million, one hundred thirteen thousand, one hundred fifty-five".