43234111313 has 2 divisors, whose sum is σ = 43234111314. Its totient is φ = 43234111312.

The previous prime is 43234111309. The next prime is 43234111321. The reversal of 43234111313 is 31311143234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33188459329 + 10045651984 = 182177^2 + 100228^2 .

It is a cyclic number.

It is not a de Polignac number, because 43234111313 - 2² = 43234111309 is a prime.

It is not a weakly prime, because it can be changed into another prime (43234111513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21617055656 + 21617055657.

It is an arithmetic number, because the mean of its divisors is an integer number (21617055657).

Almost surely, 2^43234111313 is an apocalyptic number.

It is an amenable number.

43234111313 is a deficient number, since it is larger than the sum of its proper divisors (1).

43234111313 is an equidigital number, since it uses as much as digits as its factorization.

43234111313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

Adding to 43234111313 its reverse (31311143234), we get a palindrome (74545254547).

The spelling of 43234111313 in words is "forty-three billion, two hundred thirty-four million, one hundred eleven thousand, three hundred thirteen".