2321431100 has 18 divisors (see below), whose sum is σ = 5037505704. Its totient is φ = 928572400.

The previous prime is 2321431087. The next prime is 2321431109. The reversal of 2321431100 is 11341232.

2321431100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321431109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11607056 + ... + 11607255.

It is an arithmetic number, because the mean of its divisors is an integer number (279861428).

Almost surely, 2^2321431100 is an apocalyptic number.

2321431100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321431100 is an abundant number, since it is smaller than the sum of its proper divisors (2716074604).

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

2321431100 is a wasteful number, since it uses less digits than its factorization.

2321431100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23214325 (or 23214318 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2321431100 is about 48181.2318231902. The cubic root of 2321431100 is about 1324.0933348769.

Adding to 2321431100 its reverse (11341232), we get a palindrome (2332772332).

The spelling of 2321431100 in words is "two billion, three hundred twenty-one million, four hundred thirty-one thousand, one hundred".