34531220000 has 60 divisors (see below), whose sum is σ = 84952030086. Its totient is φ = 13812480000.

The previous prime is 34531219999. The next prime is 34531220011. The reversal of 34531220000 is 2213543.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 25928464 + 34505291536 = 5092^2 + 185756^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 843281 + ... + 883280.

Almost surely, 2^34531220000 is an apocalyptic number.

It is an amenable number.

34531220000 is an abundant number, since it is smaller than the sum of its proper divisors (50420810086).

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

34531220000 is an equidigital number, since it uses as much as digits as its factorization.

34531220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726591 (or 1726568 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 34531220000 its reverse (2213543), we get a palindrome (34533433543).

The spelling of 34531220000 in words is "thirty-four billion, five hundred thirty-one million, two hundred twenty thousand".