312210011 has 2 divisors, whose sum is σ = 312210012. Its totient is φ = 312210010.

The previous prime is 312209993. The next prime is 312210013. The reversal of 312210011 is 110012213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312210011 is a prime.

Together with 312210013, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 312209974 and 312210001.

It is not a weakly prime, because it can be changed into another prime (312210013) 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, 156105005 + 156105006.

It is an arithmetic number, because the mean of its divisors is an integer number (156105006).

Almost surely, 2^312210011 is an apocalyptic number.

312210011 is a deficient number, since it is larger than the sum of its proper divisors (1).

312210011 is an equidigital number, since it uses as much as digits as its factorization.

312210011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 312210011 is about 17669.4654984241. The cubic root of 312210011 is about 678.3944321864.

Adding to 312210011 its reverse (110012213), we get a palindrome (422222224).

The spelling of 312210011 in words is "three hundred twelve million, two hundred ten thousand, eleven".