2131321130 has 16 divisors (see below), whose sum is σ = 3837062880. Its totient is φ = 852376272.

The previous prime is 2131321111. The next prime is 2131321169. The reversal of 2131321130 is 311231312.

It is a junction number, because it is equal to n+sod(n) for n = 2131321099 and 2131321108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52661 + ... + 83879.

It is an arithmetic number, because the mean of its divisors is an integer number (239816430).

Almost surely, 2^2131321130 is an apocalyptic number.

2131321130 is a deficient number, since it is larger than the sum of its proper divisors (1705741750).

2131321130 is a wasteful number, since it uses less digits than its factorization.

2131321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38053.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2131321130 is about 46166.2336562124. The cubic root of 2131321130 is about 1286.9143102876.

Adding to 2131321130 its reverse (311231312), we get a palindrome (2442552442).

The spelling of 2131321130 in words is "two billion, one hundred thirty-one million, three hundred twenty-one thousand, one hundred thirty".