312101020101263 has 2 divisors, whose sum is σ = 312101020101264. Its totient is φ = 312101020101262.

The previous prime is 312101020101203. The next prime is 312101020101271. The reversal of 312101020101263 is 362101020101213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312101020101263 - 2³² = 312096725133967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312101020101203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156050510050631 + 156050510050632.

It is an arithmetic number, because the mean of its divisors is an integer number (156050510050632).

Almost surely, 2^{312101020101263} is an apocalyptic number.

312101020101263 is a deficient number, since it is larger than the sum of its proper divisors (1).

312101020101263 is an equidigital number, since it uses as much as digits as its factorization.

312101020101263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 312101020101263 its reverse (362101020101213), we get a palindrome (674202040202476).

The spelling of 312101020101263 in words is "three hundred twelve trillion, one hundred one billion, twenty million, one hundred one thousand, two hundred sixty-three".