32100442231205 has 16 divisors (see below), whose sum is σ = 39099393877104. Its totient is φ = 25297026316800.

The previous prime is 32100442231201. The next prime is 32100442231217. The reversal of 32100442231205 is 50213224400123.

It can be written as a sum of positive squares in 8 ways, for example, as 6985570578529 + 25114871652676 = 2643023^2 + 5011474^2 .

It is not a de Polignac number, because 32100442231205 - 2² = 32100442231201 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 (32100442231201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161233592 + ... + 161432561.

It is an arithmetic number, because the mean of its divisors is an integer number (2443712117319).

Almost surely, 2^{32100442231205} is an apocalyptic number.

It is an amenable number.

32100442231205 is a deficient number, since it is larger than the sum of its proper divisors (6998951645899).

32100442231205 is a wasteful number, since it uses less digits than its factorization.

32100442231205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322666456.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 32100442231205 its reverse (50213224400123), we get a palindrome (82313666631328).

The spelling of 32100442231205 in words is "thirty-two trillion, one hundred billion, four hundred forty-two million, two hundred thirty-one thousand, two hundred five".