313031322119897 has 2 divisors, whose sum is σ = 313031322119898. Its totient is φ = 313031322119896.

The previous prime is 313031322119839. The next prime is 313031322119939. The reversal of 313031322119897 is 798911223130313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302994458173696 + 10036863946201 = 17406736^2 + 3168101^2 .

It is a cyclic number.

It is not a de Polignac number, because 313031322119897 - 2¹⁶ = 313031322054361 is a prime.

It is not a weakly prime, because it can be changed into another prime (313031322119807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156515661059948 + 156515661059949.

It is an arithmetic number, because the mean of its divisors is an integer number (156515661059949).

Almost surely, 2^{313031322119897} is an apocalyptic number.

It is an amenable number.

313031322119897 is a deficient number, since it is larger than the sum of its proper divisors (1).

313031322119897 is an equidigital number, since it uses as much as digits as its factorization.

313031322119897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 313031322119897 in words is "three hundred thirteen trillion, thirty-one billion, three hundred twenty-two million, one hundred nineteen thousand, eight hundred ninety-seven".