312232213633 has 2 divisors, whose sum is σ = 312232213634. Its totient is φ = 312232213632.

The previous prime is 312232213577. The next prime is 312232213637. The reversal of 312232213633 is 336312232213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278343821889 + 33888391744 = 527583^2 + 184088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312232213633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312232213595 and 312232213604.

It is not a weakly prime, because it can be changed into another prime (312232213637) 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, 156116106816 + 156116106817.

It is an arithmetic number, because the mean of its divisors is an integer number (156116106817).

Almost surely, 2^312232213633 is an apocalyptic number.

It is an amenable number.

312232213633 is a deficient number, since it is larger than the sum of its proper divisors (1).

312232213633 is an equidigital number, since it uses as much as digits as its factorization.

312232213633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 31.

Adding to 312232213633 its reverse (336312232213), we get a palindrome (648544445846).

The spelling of 312232213633 in words is "three hundred twelve billion, two hundred thirty-two million, two hundred thirteen thousand, six hundred thirty-three".