2321312200 has 24 divisors (see below), whose sum is σ = 5397051330. Its totient is φ = 928524800.

The previous prime is 2321312173. The next prime is 2321312219. The reversal of 2321312200 is 22131232.

It can be written as a sum of positive squares in 3 ways, for example, as 1803021444 + 518290756 = 42462^2 + 22766^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5803081 + ... + 5803480.

Almost surely, 2^2321312200 is an apocalyptic number.

2321312200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321312200 is an abundant number, since it is smaller than the sum of its proper divisors (3075739130).

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

2321312200 is a wasteful number, since it uses less digits than its factorization.

2321312200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11606577 (or 11606568 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2321312200 is about 48179.9979244499. The cubic root of 2321312200 is about 1324.0707285077.

Adding to 2321312200 its reverse (22131232), we get a palindrome (2343443432).

The spelling of 2321312200 in words is "two billion, three hundred twenty-one million, three hundred twelve thousand, two hundred".