3201231113 has 4 divisors (see below), whose sum is σ = 3245083668. Its totient is φ = 3157378560.

The previous prime is 3201231101. The next prime is 3201231133. The reversal of 3201231113 is 3111321023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3111321023 = 46307 ⋅67189.

It can be written as a sum of positive squares in 2 ways, for example, as 1590653689 + 1610577424 = 39883^2 + 40132^2 .

It is a cyclic number.

It is not a de Polignac number, because 3201231113 - 2¹⁰ = 3201230089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3201231091 and 3201231100.

It is not an unprimeable number, because it can be changed into a prime (3201231133) 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, 21926168 + ... + 21926313.

It is an arithmetic number, because the mean of its divisors is an integer number (811270917).

Almost surely, 2^3201231113 is an apocalyptic number.

It is an amenable number.

3201231113 is a deficient number, since it is larger than the sum of its proper divisors (43852555).

3201231113 is an equidigital number, since it uses as much as digits as its factorization.

3201231113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43852554.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3201231113 is about 56579.4230529086. The cubic root of 3201231113 is about 1473.8015526880.

Adding to 3201231113 its reverse (3111321023), we get a palindrome (6312552136).

The spelling of 3201231113 in words is "three billion, two hundred one million, two hundred thirty-one thousand, one hundred thirteen".