2043530313 has 64 divisors (see below), whose sum is σ = 3270067200. Its totient is φ = 1121506560.

The previous prime is 2043530311. The next prime is 2043530341. The reversal of 2043530313 is 3130353402.

It is a happy number.

It is not a de Polignac number, because 2043530313 - 2¹ = 2043530311 is a prime.

It is a super-2 number, since 2×2043530313² = 8352032280299755938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2043530311) 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 63 ways as a sum of consecutive naturals, for example, 1367995 + ... + 1369487.

It is an arithmetic number, because the mean of its divisors is an integer number (51094800).

Almost surely, 2^2043530313 is an apocalyptic number.

It is an amenable number.

2043530313 is a deficient number, since it is larger than the sum of its proper divisors (1226536887).

2043530313 is a wasteful number, since it uses less digits than its factorization.

2043530313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 2043530313 is about 45205.4234909928. The cubic root of 2043530313 is about 1268.9963163432.

Adding to 2043530313 its reverse (3130353402), we get a palindrome (5173883715).

Subtracting 2043530313 from its reverse (3130353402), we obtain a square (1086823089 = 32967²).

The spelling of 2043530313 in words is "two billion, forty-three million, five hundred thirty thousand, three hundred thirteen".