312213323312203 has 2 divisors, whose sum is σ = 312213323312204. Its totient is φ = 312213323312202.

The previous prime is 312213323312201. The next prime is 312213323312237. The reversal of 312213323312203 is 302213323312213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312213323312203 - 2¹ = 312213323312201 is a prime.

Together with 312213323312201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (312213323312201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156106661656101 + 156106661656102.

It is an arithmetic number, because the mean of its divisors is an integer number (156106661656102).

Almost surely, 2^{312213323312203} is an apocalyptic number.

312213323312203 is a deficient number, since it is larger than the sum of its proper divisors (1).

312213323312203 is an equidigital number, since it uses as much as digits as its factorization.

312213323312203 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 31.

Adding to 312213323312203 its reverse (302213323312213), we get a palindrome (614426646624416).

The spelling of 312213323312203 in words is "three hundred twelve trillion, two hundred thirteen billion, three hundred twenty-three million, three hundred twelve thousand, two hundred three".