32220431101 has 4 divisors (see below), whose sum is σ = 32237382204. Its totient is φ = 32203480000.

The previous prime is 32220431077. The next prime is 32220431141. The reversal of 32220431101 is 10113402223.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3447451225 + 28772979876 = 58715^2 + 169626^2 .

It is a cyclic number.

It is not a de Polignac number, because 32220431101 - 2³³ = 23630496509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32220431141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8472700 + ... + 8476501.

It is an arithmetic number, because the mean of its divisors is an integer number (8059345551).

Almost surely, 2^32220431101 is an apocalyptic number.

It is an amenable number.

32220431101 is a deficient number, since it is larger than the sum of its proper divisors (16951103).

32220431101 is a wasteful number, since it uses less digits than its factorization.

32220431101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16951102.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 32220431101 its reverse (10113402223), we get a palindrome (42333833324).

The spelling of 32220431101 in words is "thirty-two billion, two hundred twenty million, four hundred thirty-one thousand, one hundred one".