2321613312 has 80 divisors (see below), whose sum is σ = 6384567552. Its totient is φ = 748892160.

The previous prime is 2321613311. The next prime is 2321613323. The reversal of 2321613312 is 2133161232.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is not an unprimeable number, because it can be changed into a prime (2321613311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23238 + ... + 71994.

Almost surely, 2^2321613312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321613312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3192283776).

2321613312 is an abundant number, since it is smaller than the sum of its proper divisors (4062954240).

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

2321613312 is an equidigital number, since it uses as much as digits as its factorization.

2321613312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48809 (or 48793 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 2321613312 is about 48183.1226883439. The cubic root of 2321613312 is about 1324.1279772121.

Adding to 2321613312 its reverse (2133161232), we get a palindrome (4454774544).

The spelling of 2321613312 in words is "two billion, three hundred twenty-one million, six hundred thirteen thousand, three hundred twelve".