313040344297 has 2 divisors, whose sum is σ = 313040344298. Its totient is φ = 313040344296.

The previous prime is 313040344291. The next prime is 313040344361. The reversal of 313040344297 is 792443040313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172448342361 + 140592001936 = 415269^2 + 374956^2 .

It is a cyclic number.

It is not a de Polignac number, because 313040344297 - 2³ = 313040344289 is a prime.

It is not a weakly prime, because it can be changed into another prime (313040344291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156520172148 + 156520172149.

It is an arithmetic number, because the mean of its divisors is an integer number (156520172149).

Almost surely, 2^313040344297 is an apocalyptic number.

It is an amenable number.

313040344297 is a deficient number, since it is larger than the sum of its proper divisors (1).

313040344297 is an equidigital number, since it uses as much as digits as its factorization.

313040344297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 313040344297 in words is "three hundred thirteen billion, forty million, three hundred forty-four thousand, two hundred ninety-seven".