312230030111 has 2 divisors, whose sum is σ = 312230030112. Its totient is φ = 312230030110.

The previous prime is 312230030107. The next prime is 312230030117. The reversal of 312230030111 is 111030032213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312230030111 - 2² = 312230030107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312230030111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312230030117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156115015055 + 156115015056.

It is an arithmetic number, because the mean of its divisors is an integer number (156115015056).

Almost surely, 2^312230030111 is an apocalyptic number.

312230030111 is a deficient number, since it is larger than the sum of its proper divisors (1).

312230030111 is an equidigital number, since it uses as much as digits as its factorization.

312230030111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 312230030111 its reverse (111030032213), we get a palindrome (423260062324).

The spelling of 312230030111 in words is "three hundred twelve billion, two hundred thirty million, thirty thousand, one hundred eleven".