32013220331 has 8 divisors (see below), whose sum is σ = 32196073104. Its totient is φ = 31830856960.

The previous prime is 32013220307. The next prime is 32013220333. The reversal of 32013220331 is 13302231023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32013220331 is a prime.

It is a super-2 number, since 2×32013220331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32013220333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9251 + ... + 253203.

It is an arithmetic number, because the mean of its divisors is an integer number (4024509138).

Almost surely, 2^32013220331 is an apocalyptic number.

32013220331 is a deficient number, since it is larger than the sum of its proper divisors (182852773).

32013220331 is a wasteful number, since it uses less digits than its factorization.

32013220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244701.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 32013220331 its reverse (13302231023), we get a palindrome (45315451354).

The spelling of 32013220331 in words is "thirty-two billion, thirteen million, two hundred twenty thousand, three hundred thirty-one".