13211311434234 has 16 divisors (see below), whose sum is σ = 26425223898240. Its totient is φ = 4403336973120.

The previous prime is 13211311434203. The next prime is 13211311434311. The reversal of 13211311434234 is 43243411311231.

It is a happy number.

It is a super-3 number, since 3×13211311434234³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13211311434195 and 13211311434204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108310207 + ... + 108432114.

It is an arithmetic number, because the mean of its divisors is an integer number (1651576493640).

Almost surely, 2^{13211311434234} is an apocalyptic number.

13211311434234 is an abundant number, since it is smaller than the sum of its proper divisors (13213912464006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13211311434234 is a wasteful number, since it uses less digits than its factorization.

13211311434234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216752485.

The product of its digits is 20736, while the sum is 33.

Adding to 13211311434234 its reverse (43243411311231), we get a palindrome (56454722745465).

The spelling of 13211311434234 in words is "thirteen trillion, two hundred eleven billion, three hundred eleven million, four hundred thirty-four thousand, two hundred thirty-four".