3261338112 has 80 divisors (see below), whose sum is σ = 8900492832. Its totient is φ = 1060577280.

The previous prime is 3261338077. The next prime is 3261338117. The reversal of 3261338112 is 2118331623.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 3261338112.

It is not an unprimeable number, because it can be changed into a prime (3261338117) 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, 37083 + ... + 88869.

Almost surely, 2^3261338112 is an apocalyptic number.

3261338112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3261338112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4450246416).

3261338112 is an abundant number, since it is smaller than the sum of its proper divisors (5639154720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3261338112 is an equidigital number, since it uses as much as digits as its factorization.

3261338112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51849 (or 51833 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 3261338112 is about 57108.1264970232. The cubic root of 3261338112 is about 1482.9685535644.

Adding to 3261338112 its reverse (2118331623), we get a palindrome (5379669735).

The spelling of 3261338112 in words is "three billion, two hundred sixty-one million, three hundred thirty-eight thousand, one hundred twelve".