2320340291 has 2 divisors, whose sum is σ = 2320340292. Its totient is φ = 2320340290.

The previous prime is 2320340219. The next prime is 2320340357. The reversal of 2320340291 is 1920430232.

Together with previous prime (2320340219) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2320340291 - 2²⁶ = 2253231427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2320340291.

It is not a weakly prime, because it can be changed into another prime (2320300291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160170145 + 1160170146.

It is an arithmetic number, because the mean of its divisors is an integer number (1160170146).

Almost surely, 2^2320340291 is an apocalyptic number.

2320340291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320340291 is an equidigital number, since it uses as much as digits as its factorization.

2320340291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2320340291 is about 48169.9106393192. The cubic root of 2320340291 is about 1323.8859112163.

The spelling of 2320340291 in words is "two billion, three hundred twenty million, three hundred forty thousand, two hundred ninety-one".