43034203313 has 2 divisors, whose sum is σ = 43034203314. Its totient is φ = 43034203312.

The previous prime is 43034203301. The next prime is 43034203351. The reversal of 43034203313 is 31330243034.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34830010384 + 8204192929 = 186628^2 + 90577^2 .

It is a cyclic number.

It is not a de Polignac number, because 43034203313 - 2²⁰ = 43033154737 is a prime.

It is not a weakly prime, because it can be changed into another prime (43034203213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21517101656 + 21517101657.

It is an arithmetic number, because the mean of its divisors is an integer number (21517101657).

Almost surely, 2^43034203313 is an apocalyptic number.

It is an amenable number.

43034203313 is a deficient number, since it is larger than the sum of its proper divisors (1).

43034203313 is an equidigital number, since it uses as much as digits as its factorization.

43034203313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 43034203313 its reverse (31330243034), we get a palindrome (74364446347).

The spelling of 43034203313 in words is "forty-three billion, thirty-four million, two hundred three thousand, three hundred thirteen".