2312102220 has 48 divisors (see below), whose sum is σ = 6565079808. Its totient is φ = 607875520.

The previous prime is 2312102203. The next prime is 2312102237. The reversal of 2312102220 is 222012132.

It is a happy number.

2312102220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2312102203) and next prime (2312102237).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2312102220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267114 + ... + 275633.

It is an arithmetic number, because the mean of its divisors is an integer number (136772496).

Almost surely, 2^2312102220 is an apocalyptic number.

2312102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312102220 is an abundant number, since it is smaller than the sum of its proper divisors (4252977588).

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

2312102220 is a wasteful number, since it uses less digits than its factorization.

2312102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542830 (or 542828 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2312102220 is about 48084.3240568067. The cubic root of 2312102220 is about 1322.3172909017.

Adding to 2312102220 its reverse (222012132), we get a palindrome (2534114352).

The spelling of 2312102220 in words is "two billion, three hundred twelve million, one hundred two thousand, two hundred twenty".