312323331269 has 2 divisors, whose sum is σ = 312323331270. Its totient is φ = 312323331268.

The previous prime is 312323331253. The next prime is 312323331367. The reversal of 312323331269 is 962133323213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308080502500 + 4242828769 = 555050^2 + 65137^2 .

It is a cyclic number.

It is not a de Polignac number, because 312323331269 - 2⁴ = 312323331253 is a prime.

It is a super-2 number, since 2×312323331269² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312323331469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156161665634 + 156161665635.

It is an arithmetic number, because the mean of its divisors is an integer number (156161665635).

Almost surely, 2^312323331269 is an apocalyptic number.

It is an amenable number.

312323331269 is a deficient number, since it is larger than the sum of its proper divisors (1).

312323331269 is an equidigital number, since it uses as much as digits as its factorization.

312323331269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 38.

The spelling of 312323331269 in words is "three hundred twelve billion, three hundred twenty-three million, three hundred thirty-one thousand, two hundred sixty-nine".