13211334420243 has 16 divisors (see below), whose sum is σ = 18397827144960. Its totient is φ = 8424268210656.

The previous prime is 13211334420233. The next prime is 13211334420253. The reversal of 13211334420243 is 34202443311231.

It is an interprime number because it is at equal distance from previous prime (13211334420233) and next prime (13211334420253).

It is not a de Polignac number, because 13211334420243 - 2¹⁰ = 13211334419219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13211334420233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008646255 + ... + 1008659352.

It is an arithmetic number, because the mean of its divisors is an integer number (1149864196560).

Almost surely, 2^{13211334420243} is an apocalyptic number.

13211334420243 is a deficient number, since it is larger than the sum of its proper divisors (5186492724717).

13211334420243 is a wasteful number, since it uses less digits than its factorization.

13211334420243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017305706.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 13211334420243 its reverse (34202443311231), we get a palindrome (47413777731474).

The spelling of 13211334420243 in words is "thirteen trillion, two hundred eleven billion, three hundred thirty-four million, four hundred twenty thousand, two hundred forty-three".