3113021105 has 4 divisors (see below), whose sum is σ = 3735625332. Its totient is φ = 2490416880.

The previous prime is 3113021101. The next prime is 3113021137. The reversal of 3113021105 is 5011203113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5011203113 = 7 ⋅715886159.

It can be written as a sum of positive squares in 2 ways, for example, as 1532879104 + 1580142001 = 39152^2 + 39751^2 .

It is not a de Polignac number, because 3113021105 - 2² = 3113021101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3113021101) 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, 311302106 + ... + 311302115.

It is an arithmetic number, because the mean of its divisors is an integer number (933906333).

Almost surely, 2^3113021105 is an apocalyptic number.

It is an amenable number.

3113021105 is a deficient number, since it is larger than the sum of its proper divisors (622604227).

3113021105 is an equidigital number, since it uses as much as digits as its factorization.

3113021105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622604226.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 3113021105 is about 55794.4540702748. The cubic root of 3113021105 is about 1460.1383969951.

Adding to 3113021105 its reverse (5011203113), we get a palindrome (8124224218).

The spelling of 3113021105 in words is "three billion, one hundred thirteen million, twenty-one thousand, one hundred five".