34531112220 has 96 divisors (see below), whose sum is σ = 105606982656. Its totient is φ = 8360851200.

The previous prime is 34531112197. The next prime is 34531112233. The reversal of 34531112220 is 2221113543.

It is a super-2 number, since 2×34531112220² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509997 + ... + 573723.

It is an arithmetic number, because the mean of its divisors is an integer number (1100072736).

Almost surely, 2^34531112220 is an apocalyptic number.

34531112220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34531112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52803491328).

34531112220 is an abundant number, since it is smaller than the sum of its proper divisors (71075870436).

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

34531112220 is a wasteful number, since it uses less digits than its factorization.

34531112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64571 (or 64569 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 34531112220 its reverse (2221113543), we get a palindrome (36752225763).

The spelling of 34531112220 in words is "thirty-four billion, five hundred thirty-one million, one hundred twelve thousand, two hundred twenty".