43113211313 has 8 divisors (see below), whose sum is σ = 43317849960. Its totient is φ = 42908785920.

The previous prime is 43113211283. The next prime is 43113211331. The reversal of 43113211313 is 31311231134.

It can be written as a sum of positive squares in 4 ways, for example, as 13001244529 + 30111966784 = 114023^2 + 173528^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43113211313 - 2¹² = 43113207217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43113211333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359531 + ... + 464207.

It is an arithmetic number, because the mean of its divisors is an integer number (5414731245).

Almost surely, 2^43113211313 is an apocalyptic number.

It is an amenable number.

43113211313 is a deficient number, since it is larger than the sum of its proper divisors (204638647).

43113211313 is a wasteful number, since it uses less digits than its factorization.

43113211313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106627.

The product of its digits is 648, while the sum is 23.

Adding to 43113211313 its reverse (31311231134), we get a palindrome (74424442447).

The spelling of 43113211313 in words is "forty-three billion, one hundred thirteen million, two hundred eleven thousand, three hundred thirteen".