105343434213 has 4 divisors (see below), whose sum is σ = 140457912288. Its totient is φ = 70228956140.

The previous prime is 105343434143. The next prime is 105343434223. The reversal of 105343434213 is 312434343501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105343434213 - 2¹⁸ = 105343172069 is a prime.

It is a super-2 number, since 2×105343434213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105343434223) 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, 17557239033 + ... + 17557239038.

It is an arithmetic number, because the mean of its divisors is an integer number (35114478072).

Almost surely, 2^105343434213 is an apocalyptic number.

It is an amenable number.

105343434213 is a deficient number, since it is larger than the sum of its proper divisors (35114478075).

105343434213 is an equidigital number, since it uses as much as digits as its factorization.

105343434213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35114478074.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 105343434213 its reverse (312434343501), we get a palindrome (417777777714).

The spelling of 105343434213 in words is "one hundred five billion, three hundred forty-three million, four hundred thirty-four thousand, two hundred thirteen".