2312301989 has 2 divisors, whose sum is σ = 2312301990. Its totient is φ = 2312301988.

The previous prime is 2312301983. The next prime is 2312301991. The reversal of 2312301989 is 9891032132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1634584900 + 677717089 = 40430^2 + 26033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312301989 is a prime.

It is a super-2 number, since 2×2312301989² = 10693480976666712242, which contains 22 as substring.

Together with 2312301991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312301983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156150994 + 1156150995.

It is an arithmetic number, because the mean of its divisors is an integer number (1156150995).

Almost surely, 2^2312301989 is an apocalyptic number.

It is an amenable number.

2312301989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312301989 is an equidigital number, since it uses as much as digits as its factorization.

2312301989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 2312301989 is about 48086.4012897617. The cubic root of 2312301989 is about 1322.3553731850.

The spelling of 2312301989 in words is "two billion, three hundred twelve million, three hundred one thousand, nine hundred eighty-nine".