2313302220 has 96 divisors (see below), whose sum is σ = 7211581440. Its totient is φ = 615625920.

The previous prime is 2313302171. The next prime is 2313302221. The reversal of 2313302220 is 222033132.

It is a happy number.

It is a super-2 number, since 2×2313302220² = 10702734322113856800, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2313302193 and 2313302202.

It is not an unprimeable number, because it can be changed into a prime (2313302221) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 278325 + ... + 286515.

It is an arithmetic number, because the mean of its divisors is an integer number (75120640).

Almost surely, 2^2313302220 is an apocalyptic number.

2313302220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2313302220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3605790720).

2313302220 is an abundant number, since it is smaller than the sum of its proper divisors (4898279220).

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

2313302220 is a wasteful number, since it uses less digits than its factorization.

2313302220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8732 (or 8724 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2313302220 is about 48096.8005172901. The cubic root of 2313302220 is about 1322.5460158397.

Adding to 2313302220 its reverse (222033132), we get a palindrome (2535335352).

The spelling of 2313302220 in words is "two billion, three hundred thirteen million, three hundred two thousand, two hundred twenty".