3113220133 has 4 divisors (see below), whose sum is σ = 3113356140. Its totient is φ = 3113084128.

The previous prime is 3113220101. The next prime is 3113220139. The reversal of 3113220133 is 3310223113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1500555169 + 1612664964 = 38737^2 + 40158^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113220133 - 2⁵ = 3113220101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3113220133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113220139) 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, 24310 + ... + 82567.

It is an arithmetic number, because the mean of its divisors is an integer number (778339035).

Almost surely, 2^3113220133 is an apocalyptic number.

It is an amenable number.

3113220133 is a deficient number, since it is larger than the sum of its proper divisors (136007).

3113220133 is a wasteful number, since it uses less digits than its factorization.

3113220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136006.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3113220133 is about 55796.2376240549. The cubic root of 3113220133 is about 1460.1695138450.

Adding to 3113220133 its reverse (3310223113), we get a palindrome (6423443246).

The spelling of 3113220133 in words is "three billion, one hundred thirteen million, two hundred twenty thousand, one hundred thirty-three".