312101312269 has 2 divisors, whose sum is σ = 312101312270. Its totient is φ = 312101312268.

The previous prime is 312101312203. The next prime is 312101312357. The reversal of 312101312269 is 962213101213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297939122244 + 14162190025 = 545838^2 + 119005^2 .

It is a cyclic number.

It is not a de Polignac number, because 312101312269 - 2⁹ = 312101311757 is a prime.

It is a super-2 number, since 2×312101312269² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312101312269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312101312669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156050656134 + 156050656135.

It is an arithmetic number, because the mean of its divisors is an integer number (156050656135).

Almost surely, 2^312101312269 is an apocalyptic number.

It is an amenable number.

312101312269 is a deficient number, since it is larger than the sum of its proper divisors (1).

312101312269 is an equidigital number, since it uses as much as digits as its factorization.

312101312269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 312101312269 in words is "three hundred twelve billion, one hundred one million, three hundred twelve thousand, two hundred sixty-nine".