2122313287 has 2 divisors, whose sum is σ = 2122313288. Its totient is φ = 2122313286.

The previous prime is 2122313279. The next prime is 2122313317. The reversal of 2122313287 is 7823132212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122313287 - 2³ = 2122313279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122313257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061156643 + 1061156644.

It is an arithmetic number, because the mean of its divisors is an integer number (1061156644).

Almost surely, 2^2122313287 is an apocalyptic number.

2122313287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122313287 is an equidigital number, since it uses as much as digits as its factorization.

2122313287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 2122313287 is about 46068.5715754244. The cubic root of 2122313287 is about 1285.0987397063.

Adding to 2122313287 its reverse (7823132212), we get a palindrome (9945445499).

The spelling of 2122313287 in words is "two billion, one hundred twenty-two million, three hundred thirteen thousand, two hundred eighty-seven".