3221031100113 has 12 divisors (see below), whose sum is σ = 4693773934980. Its totient is φ = 2128350932736.

The previous prime is 3221031100099. The next prime is 3221031100117. The reversal of 3221031100113 is 3110011301223.

3221031100113 is a `hidden beast` number, since 32 + 210 + 311 + 0 + 0 + 113 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1468391379984 + 1752639720129 = 1211772^2 + 1323873^2 .

It is not a de Polignac number, because 3221031100113 - 2²⁰ = 3221030051537 is a prime.

It is a super-2 number, since 2×3221031100113² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3221031100117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1583593428 + ... + 1583595461.

It is an arithmetic number, because the mean of its divisors is an integer number (391147827915).

Almost surely, 2^{3221031100113} is an apocalyptic number.

It is an amenable number.

3221031100113 is a deficient number, since it is larger than the sum of its proper divisors (1472742834867).

3221031100113 is a wasteful number, since it uses less digits than its factorization.

3221031100113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167189008 (or 3167189005 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 3221031100113 its reverse (3110011301223), we get a palindrome (6331042401336).

The spelling of 3221031100113 in words is "three trillion, two hundred twenty-one billion, thirty-one million, one hundred thousand, one hundred thirteen".