3113220132 has 162 divisors, whose sum is σ = 9192446354. Its totient is φ = 887546880.

The previous prime is 3113220101. The next prime is 3113220139. The reversal of 3113220132 is 2310223113.

3113220132 is a `hidden beast` number, since 311 + 3 + 220 + 132 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1652910336 + 1460309796 = 40656^2 + 38214^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3113220139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1257648 + ... + 1260120.

Almost surely, 2^3113220132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113220132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4596223177).

3113220132 is an abundant number, since it is smaller than the sum of its proper divisors (6079226222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3113220132 is a wasteful number, since it uses less digits than its factorization.

3113220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539 (or 2506 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3113220132 is about 55796.2376150937. The cubic root of 3113220132 is about 1460.1695136887.

Adding to 3113220132 its reverse (2310223113), we get a palindrome (5423443245).

The spelling of 3113220132 in words is "three billion, one hundred thirteen million, two hundred twenty thousand, one hundred thirty-two".