32100320321 has 4 divisors (see below), whose sum is σ = 32119694532. Its totient is φ = 32080946112.

The previous prime is 32100320249. The next prime is 32100320347. The reversal of 32100320321 is 12302300123.

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 5779800625 + 26320519696 = 76025^2 + 162236^2 .

It is a cyclic number.

It is not a de Polignac number, because 32100320321 - 2²² = 32096126017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32100320321.

It is not an unprimeable number, because it can be changed into a prime (32100325321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9684620 + ... + 9687933.

It is an arithmetic number, because the mean of its divisors is an integer number (8029923633).

Almost surely, 2^32100320321 is an apocalyptic number.

It is an amenable number.

32100320321 is a deficient number, since it is larger than the sum of its proper divisors (19374211).

32100320321 is a wasteful number, since it uses less digits than its factorization.

32100320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19374210.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 32100320321 its reverse (12302300123), we get a palindrome (44402620444).

The spelling of 32100320321 in words is "thirty-two billion, one hundred million, three hundred twenty thousand, three hundred twenty-one".