34531435221 has 16 divisors (see below), whose sum is σ = 49775044800. Its totient is φ = 21219884928.

The previous prime is 34531435163. The next prime is 34531435229. The reversal of 34531435221 is 12253413543.

It is not a de Polignac number, because 34531435221 - 2¹¹ = 34531433173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34531435229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8184576 + ... + 8188793.

It is an arithmetic number, because the mean of its divisors is an integer number (3110940300).

Almost surely, 2^34531435221 is an apocalyptic number.

It is an amenable number.

34531435221 is a deficient number, since it is larger than the sum of its proper divisors (15243609579).

34531435221 is a wasteful number, since it uses less digits than its factorization.

34531435221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16373428.

The product of its digits is 43200, while the sum is 33.

Adding to 34531435221 its reverse (12253413543), we get a palindrome (46784848764).

The spelling of 34531435221 in words is "thirty-four billion, five hundred thirty-one million, four hundred thirty-five thousand, two hundred twenty-one".