3113161 has 4 divisors (see below), whose sum is σ = 3117312. Its totient is φ = 3109012.

The previous prime is 3113147. The next prime is 3113177. The reversal of 3113161 is 1613113.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1613113 = 17 ⋅94889.

It is a cyclic number.

It is not a de Polignac number, because 3113161 - 2⁵ = 3113129 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 (3113101) 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, 601 + ... + 2566.

It is an arithmetic number, because the mean of its divisors is an integer number (779328).

Almost surely, 2^3113161 is an apocalyptic number.

It is an amenable number.

3113161 is a deficient number, since it is larger than the sum of its proper divisors (4151).

3113161 is an equidigital number, since it uses as much as digits as its factorization.

3113161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150.

The product of its digits is 54, while the sum is 16.

The square root of 3113161 is about 1764.4152005693. The cubic root of 3113161 is about 146.0160268889.

Adding to 3113161 its reverse (1613113), we get a palindrome (4726274).

The spelling of 3113161 in words is "three million, one hundred thirteen thousand, one hundred sixty-one".