313123222302109 has 2 divisors, whose sum is σ = 313123222302110. Its totient is φ = 313123222302108.

The previous prime is 313123222302091. The next prime is 313123222302167. The reversal of 313123222302109 is 901203222321313.

Together with previous prime (313123222302091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271809463356025 + 41313758946084 = 16486645^2 + 6427578^2 .

It is a cyclic number.

It is not a de Polignac number, because 313123222302109 - 2²¹ = 313123220204957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313123222102109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156561611151054 + 156561611151055.

It is an arithmetic number, because the mean of its divisors is an integer number (156561611151055).

Almost surely, 2^{313123222302109} is an apocalyptic number.

It is an amenable number.

313123222302109 is a deficient number, since it is larger than the sum of its proper divisors (1).

313123222302109 is an equidigital number, since it uses as much as digits as its factorization.

313123222302109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 313123222302109 in words is "three hundred thirteen trillion, one hundred twenty-three billion, two hundred twenty-two million, three hundred two thousand, one hundred nine".