2313221130 has 144 divisors (see below), whose sum is σ = 6790695912. Its totient is φ = 545529600.

The previous prime is 2313221129. The next prime is 2313221149. The reversal of 2313221130 is 311223132.

2313221130 is a `hidden beast` number, since 2 + 313 + 221 + 130 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2186591121 + 126630009 = 46761^2 + 11253^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 400060 + ... + 405800.

Almost surely, 2^2313221130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2313221130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3395347956).

2313221130 is an abundant number, since it is smaller than the sum of its proper divisors (4477474782).

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

2313221130 is a wasteful number, since it uses less digits than its factorization.

2313221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5813 (or 5799 counting only the distinct ones).

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

The square root of 2313221130 is about 48095.9575224363. The cubic root of 2313221130 is about 1322.5305622443.

Adding to 2313221130 its reverse (311223132), we get a palindrome (2624444262).

The spelling of 2313221130 in words is "two billion, three hundred thirteen million, two hundred twenty-one thousand, one hundred thirty".