105343020311 has 4 divisors (see below), whose sum is σ = 105795136512. Its totient is φ = 104890904112.

The previous prime is 105343020269. The next prime is 105343020331. The reversal of 105343020311 is 113020343501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105343020311 is a prime.

It is a super-2 number, since 2×105343020311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105343020331) 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, 226057751 + ... + 226058216.

It is an arithmetic number, because the mean of its divisors is an integer number (26448784128).

Almost surely, 2^105343020311 is an apocalyptic number.

105343020311 is a deficient number, since it is larger than the sum of its proper divisors (452116201).

105343020311 is an equidigital number, since it uses as much as digits as its factorization.

105343020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452116200.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 105343020311 its reverse (113020343501), we get a palindrome (218363363812).

The spelling of 105343020311 in words is "one hundred five billion, three hundred forty-three million, twenty thousand, three hundred eleven".