312326021301269 has 2 divisors, whose sum is σ = 312326021301270. Its totient is φ = 312326021301268.

The previous prime is 312326021301223. The next prime is 312326021301337. The reversal of 312326021301269 is 962103120623213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230468529816100 + 81857491485169 = 15181190^2 + 9047513^2 .

It is an emirp because it is prime and its reverse (962103120623213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312326021301269 - 2⁴⁰ = 311226509673493 is a prime.

It is a super-2 number, since 2×312326021301269² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312326021300269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156163010650634 + 156163010650635.

It is an arithmetic number, because the mean of its divisors is an integer number (156163010650635).

Almost surely, 2^{312326021301269} is an apocalyptic number.

It is an amenable number.

312326021301269 is a deficient number, since it is larger than the sum of its proper divisors (1).

312326021301269 is an equidigital number, since it uses as much as digits as its factorization.

312326021301269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 312326021301269 in words is "three hundred twelve trillion, three hundred twenty-six billion, twenty-one million, three hundred one thousand, two hundred sixty-nine".