2131302120 has 64 divisors (see below), whose sum is σ = 6566728320. Its totient is φ = 552985344.

The previous prime is 2131302097. The next prime is 2131302169. The reversal of 2131302120 is 212031312.

2131302120 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 2131302120.

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, 235572 + ... + 244451.

It is an arithmetic number, because the mean of its divisors is an integer number (102605130).

Almost surely, 2^2131302120 is an apocalyptic number.

2131302120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131302120 is an abundant number, since it is smaller than the sum of its proper divisors (4435426200).

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

2131302120 is a wasteful number, since it uses less digits than its factorization.

2131302120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480074 (or 480070 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2131302120 is about 46166.0277693457. The cubic root of 2131302120 is about 1286.9104841297.

Adding to 2131302120 its reverse (212031312), we get a palindrome (2343333432).

The spelling of 2131302120 in words is "two billion, one hundred thirty-one million, three hundred two thousand, one hundred twenty".