2131443104 has 48 divisors (see below), whose sum is σ = 5048164800. Its totient is φ = 865396224.

The previous prime is 2131443101. The next prime is 2131443113. The reversal of 2131443104 is 4013441312.

It is a self number, because there is not a number n which added to its sum of digits gives 2131443104.

It is not an unprimeable number, because it can be changed into a prime (2131443101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246149 + ... + 254660.

It is an arithmetic number, because the mean of its divisors is an integer number (105170100).

Almost surely, 2^2131443104 is an apocalyptic number.

It is an amenable number.

2131443104 is an abundant number, since it is smaller than the sum of its proper divisors (2916721696).

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

2131443104 is a wasteful number, since it uses less digits than its factorization.

2131443104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500845 (or 500837 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2131443104 is about 46167.5546677534. The cubic root of 2131443104 is about 1286.9388595511.

Adding to 2131443104 its reverse (4013441312), we get a palindrome (6144884416).

The spelling of 2131443104 in words is "two billion, one hundred thirty-one million, four hundred forty-three thousand, one hundred four".