313012103303197 has 2 divisors, whose sum is σ = 313012103303198. Its totient is φ = 313012103303196.

The previous prime is 313012103303149. The next prime is 313012103303203. The reversal of 313012103303197 is 791303301210313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312276469451716 + 735633851481 = 17671346^2 + 857691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313012103303197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313012103303117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156506051651598 + 156506051651599.

It is an arithmetic number, because the mean of its divisors is an integer number (156506051651599).

Almost surely, 2^{313012103303197} is an apocalyptic number.

It is an amenable number.

313012103303197 is a deficient number, since it is larger than the sum of its proper divisors (1).

313012103303197 is an equidigital number, since it uses as much as digits as its factorization.

313012103303197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 37.

The spelling of 313012103303197 in words is "three hundred thirteen trillion, twelve billion, one hundred three million, three hundred three thousand, one hundred ninety-seven".