2321231994 has 12 divisors (see below), whose sum is σ = 5029336026. Its totient is φ = 773743992.

The previous prime is 2321231993. The next prime is 2321232047. The reversal of 2321231994 is 4991321232.

It can be written as a sum of positive squares in only one way, i.e., 1671746769 + 649485225 = 40887^2 + 25485^2 .

It is not an unprimeable number, because it can be changed into a prime (2321231993) 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, 64478649 + ... + 64478684.

Almost surely, 2^2321231994 is an apocalyptic number.

2321231994 is an abundant number, since it is smaller than the sum of its proper divisors (2708104032).

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

2321231994 is a wasteful number, since it uses less digits than its factorization.

2321231994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128957341 (or 128957338 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 2321231994 is about 48179.1655593992. The cubic root of 2321231994 is about 1324.0554785642.

The spelling of 2321231994 in words is "two billion, three hundred twenty-one million, two hundred thirty-one thousand, nine hundred ninety-four".