32011020321 has 24 divisors (see below), whose sum is σ = 49774898880. Its totient is φ = 18245902752.

The previous prime is 32011020289. The next prime is 32011020347. The reversal of 32011020321 is 12302011023.

It is not a de Polignac number, because 32011020321 - 2⁵ = 32011020289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32011020321.

It is not an unprimeable number, because it can be changed into a prime (32011020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215901 + ... + 332618.

It is an arithmetic number, because the mean of its divisors is an integer number (2073954120).

Almost surely, 2^32011020321 is an apocalyptic number.

It is an amenable number.

32011020321 is a deficient number, since it is larger than the sum of its proper divisors (17763878559).

32011020321 is a wasteful number, since it uses less digits than its factorization.

32011020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548933 (or 548926 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 32011020321 its reverse (12302011023), we get a palindrome (44313031344).

The spelling of 32011020321 in words is "thirty-two billion, eleven million, twenty thousand, three hundred twenty-one".