312230011 has 4 divisors (see below), whose sum is σ = 312265512. Its totient is φ = 312194512.

The previous prime is 312230003. The next prime is 312230027. The reversal of 312230011 is 110032213.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 110032213 = 89 ⋅1236317.

It is a cyclic number.

It is not a de Polignac number, because 312230011 - 2³ = 312230003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312229973 and 312230000.

It is not an unprimeable number, because it can be changed into a prime (312230111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6351 + ... + 25783.

It is an arithmetic number, because the mean of its divisors is an integer number (78066378).

Almost surely, 2^312230011 is an apocalyptic number.

312230011 is a deficient number, since it is larger than the sum of its proper divisors (35501).

312230011 is a wasteful number, since it uses less digits than its factorization.

312230011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35500.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 312230011 is about 17670.0314374367. The cubic root of 312230011 is about 678.4089177340.

Adding to 312230011 its reverse (110032213), we get a palindrome (422262224).

It can be divided in two parts, 3122 and 30011, that added together give a palindrome (33133).

The spelling of 312230011 in words is "three hundred twelve million, two hundred thirty thousand, eleven".