2131314220 has 48 divisors (see below), whose sum is σ = 5191522560. Its totient is φ = 719826624.

The previous prime is 2131314179. The next prime is 2131314257. The reversal of 2131314220 is 224131312.

It is a happy number.

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, 104230 + ... + 122989.

It is an arithmetic number, because the mean of its divisors is an integer number (108156720).

Almost surely, 2^2131314220 is an apocalyptic number.

2131314220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131314220 is an abundant number, since it is smaller than the sum of its proper divisors (3060208340).

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

2131314220 is a wasteful number, since it uses less digits than its factorization.

2131314220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227302 (or 227300 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2131314220 is about 46166.1588179047. The cubic root of 2131314220 is about 1286.9129195090.

Adding to 2131314220 its reverse (224131312), we get a palindrome (2355445532).

The spelling of 2131314220 in words is "two billion, one hundred thirty-one million, three hundred fourteen thousand, two hundred twenty".