2143041313 has 12 divisors (see below), whose sum is σ = 2505853380. Its totient is φ = 1827366912.

The previous prime is 2143041239. The next prime is 2143041317. The reversal of 2143041313 is 3131403412.

It can be written as a sum of positive squares in 2 ways, for example, as 166616464 + 1976424849 = 12908^2 + 44457^2 .

It is not a de Polignac number, because 2143041313 - 2¹³ = 2143033121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143041317) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 103848 + ... + 122761.

It is an arithmetic number, because the mean of its divisors is an integer number (208821115).

Almost surely, 2^2143041313 is an apocalyptic number.

It is an amenable number.

2143041313 is a deficient number, since it is larger than the sum of its proper divisors (362812067).

2143041313 is a wasteful number, since it uses less digits than its factorization.

2143041313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226816 (or 226809 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2143041313 is about 46292.9942107874. The cubic root of 2143041313 is about 1289.2689231374.

Adding to 2143041313 its reverse (3131403412), we get a palindrome (5274444725).

The spelling of 2143041313 in words is "two billion, one hundred forty-three million, forty-one thousand, three hundred thirteen".