2321320100 has 36 divisors (see below), whose sum is σ = 5495200368. Its totient is φ = 844116000.

The previous prime is 2321320093. The next prime is 2321320153. The reversal of 2321320100 is 10231232.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1054046 + ... + 1056245.

Almost surely, 2^2321320100 is an apocalyptic number.

2321320100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321320100 is an abundant number, since it is smaller than the sum of its proper divisors (3173880268).

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

2321320100 is a wasteful number, since it uses less digits than its factorization.

2321320100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110316 (or 2110309 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2321320100 is about 48180.0799086095. The cubic root of 2321320100 is about 1324.0722305528.

Adding to 2321320100 its reverse (10231232), we get a palindrome (2331551332).

The spelling of 2321320100 in words is "two billion, three hundred twenty-one million, three hundred twenty thousand, one hundred".