2131330120 has 32 divisors (see below), whose sum is σ = 5077582200. Its totient is φ = 802382848.

The previous prime is 2131330109. The next prime is 2131330133. The reversal of 2131330120 is 210331312.

It can be written as a sum of positive squares in 4 ways, for example, as 1770558084 + 360772036 = 42078^2 + 18994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2131330094 and 2131330103.

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 7 ways as a sum of consecutive naturals, for example, 1566475 + ... + 1567834.

Almost surely, 2^2131330120 is an apocalyptic number.

2131330120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131330120 is an abundant number, since it is smaller than the sum of its proper divisors (2946252080).

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

2131330120 is a wasteful number, since it uses less digits than its factorization.

2131330120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134337 (or 3134333 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2131330120 is about 46166.3310216439. The cubic root of 2131330120 is about 1286.9161197042.

Adding to 2131330120 its reverse (210331312), we get a palindrome (2341661432).

The spelling of 2131330120 in words is "two billion, one hundred thirty-one million, three hundred thirty thousand, one hundred twenty".