2321310000 has 100 divisors (see below), whose sum is σ = 7493595032. Its totient is φ = 619008000.

The previous prime is 2321309981. The next prime is 2321310001. The reversal of 2321310000 is 131232.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×2321310000² = 10776960232200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2321310001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8689 + ... + 68688.

Almost surely, 2^2321310000 is an apocalyptic number.

2321310000 is a gapful number since it is divisible by the number (20) 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 2321310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3746797516).

2321310000 is an abundant number, since it is smaller than the sum of its proper divisors (5172285032).

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

2321310000 is an equidigital number, since it uses as much as digits as its factorization.

2321310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77408 (or 77387 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2321310000 is about 48179.9750933933. The cubic root of 2321310000 is about 1324.0703102161.

Adding to 2321310000 its reverse (131232), we get a palindrome (2321441232).

The spelling of 2321310000 in words is "two billion, three hundred twenty-one million, three hundred ten thousand".