2043131213 has 4 divisors (see below), whose sum is σ = 2163315420. Its totient is φ = 1922947008.

The previous prime is 2043131203. The next prime is 2043131221. The reversal of 2043131213 is 3121313402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1613066569 + 430064644 = 40163^2 + 20738^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043131213 - 2⁶ = 2043131149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043131203) 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 3 ways as a sum of consecutive naturals, for example, 60092078 + ... + 60092111.

It is an arithmetic number, because the mean of its divisors is an integer number (540828855).

Almost surely, 2^2043131213 is an apocalyptic number.

It is an amenable number.

2043131213 is a deficient number, since it is larger than the sum of its proper divisors (120184207).

2043131213 is a wasteful number, since it uses less digits than its factorization.

2043131213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120184206.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2043131213 is about 45201.0089821013. The cubic root of 2043131213 is about 1268.9136996088.

Adding to 2043131213 its reverse (3121313402), we get a palindrome (5164444615).

The spelling of 2043131213 in words is "two billion, forty-three million, one hundred thirty-one thousand, two hundred thirteen".