1043113213 has 4 divisors (see below), whose sum is σ = 1071305500. Its totient is φ = 1014920928.

The previous prime is 1043113199. The next prime is 1043113259. The reversal of 1043113213 is 3123113401.

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 982070244 + 61042969 = 31338^2 + 7813^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043113213 - 2¹⁷ = 1042982141 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 (1043113613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14096088 + ... + 14096161.

It is an arithmetic number, because the mean of its divisors is an integer number (267826375).

Almost surely, 2^1043113213 is an apocalyptic number.

It is an amenable number.

1043113213 is a deficient number, since it is larger than the sum of its proper divisors (28192287).

1043113213 is an equidigital number, since it uses as much as digits as its factorization.

1043113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28192286.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1043113213 is about 32297.2632431914. The cubic root of 1043113213 is about 1014.1693521955.

Adding to 1043113213 its reverse (3123113401), we get a palindrome (4166226614).

The spelling of 1043113213 in words is "one billion, forty-three million, one hundred thirteen thousand, two hundred thirteen".