313040345953 has 2 divisors, whose sum is σ = 313040345954. Its totient is φ = 313040345952.

The previous prime is 313040345921. The next prime is 313040346023. The reversal of 313040345953 is 359543040313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289452608064 + 23587737889 = 538008^2 + 153583^2 .

It is a cyclic number.

It is not a de Polignac number, because 313040345953 - 2⁵ = 313040345921 is a prime.

It is not a weakly prime, because it can be changed into another prime (313040345353) 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, 156520172976 + 156520172977.

It is an arithmetic number, because the mean of its divisors is an integer number (156520172977).

Almost surely, 2^313040345953 is an apocalyptic number.

It is an amenable number.

313040345953 is a deficient number, since it is larger than the sum of its proper divisors (1).

313040345953 is an equidigital number, since it uses as much as digits as its factorization.

313040345953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 40.

The spelling of 313040345953 in words is "three hundred thirteen billion, forty million, three hundred forty-five thousand, nine hundred fifty-three".