2105431130 has 32 divisors (see below), whose sum is σ = 4377499200. Its totient is φ = 720574720.

The previous prime is 2105431127. The next prime is 2105431177. The reversal of 2105431130 is 311345012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561080 + ... + 564819.

It is an arithmetic number, because the mean of its divisors is an integer number (136796850).

Almost surely, 2^2105431130 is an apocalyptic number.

2105431130 is an abundant number, since it is smaller than the sum of its proper divisors (2272068070).

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

2105431130 is a wasteful number, since it uses less digits than its factorization.

2105431130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125934.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2105431130 is about 45884.9771711832. The cubic root of 2105431130 is about 1281.6821816116.

Adding to 2105431130 its reverse (311345012), we get a palindrome (2416776142).

The spelling of 2105431130 in words is "two billion, one hundred five million, four hundred thirty-one thousand, one hundred thirty".