2321331919 has 2 divisors, whose sum is σ = 2321331920. Its totient is φ = 2321331918.

The previous prime is 2321331911. The next prime is 2321331953. The reversal of 2321331919 is 9191331232.

It is an a-pointer prime, because the next prime (2321331953) can be obtained adding 2321331919 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2321331919 - 2³ = 2321331911 is a prime.

It is a super-2 number, since 2×2321331919² = 10777163756336445122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321331911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160665959 + 1160665960.

It is an arithmetic number, because the mean of its divisors is an integer number (1160665960).

Almost surely, 2^2321331919 is an apocalyptic number.

2321331919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321331919 is an equidigital number, since it uses as much as digits as its factorization.

2321331919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 34.

The square root of 2321331919 is about 48180.2025628785. The cubic root of 2321331919 is about 1324.0744777200.

The spelling of 2321331919 in words is "two billion, three hundred twenty-one million, three hundred thirty-one thousand, nine hundred nineteen".