2321020939 has 2 divisors, whose sum is σ = 2321020940. Its totient is φ = 2321020938.

The previous prime is 2321020937. The next prime is 2321020951. The reversal of 2321020939 is 9390201232.

It is a happy number.

2321020939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2321020939 - 2¹ = 2321020937 is a prime.

Together with 2321020937, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2321020939.

It is not a weakly prime, because it can be changed into another prime (2321020937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160510469 + 1160510470.

It is an arithmetic number, because the mean of its divisors is an integer number (1160510470).

Almost surely, 2^2321020939 is an apocalyptic number.

2321020939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321020939 is an equidigital number, since it uses as much as digits as its factorization.

2321020939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 2321020939 is about 48176.9751956264. The cubic root of 2321020939 is about 1324.0153480071.

The spelling of 2321020939 in words is "two billion, three hundred twenty-one million, twenty thousand, nine hundred thirty-nine".