313030021321343 has 2 divisors, whose sum is σ = 313030021321344. Its totient is φ = 313030021321342.

The previous prime is 313030021321307. The next prime is 313030021321403. The reversal of 313030021321343 is 343123120030313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313030021321343 - 2³⁰ = 313028947579519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313030021321543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156515010660671 + 156515010660672.

It is an arithmetic number, because the mean of its divisors is an integer number (156515010660672).

Almost surely, 2^{313030021321343} is an apocalyptic number.

313030021321343 is a deficient number, since it is larger than the sum of its proper divisors (1).

313030021321343 is an equidigital number, since it uses as much as digits as its factorization.

313030021321343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 313030021321343 its reverse (343123120030313), we get a palindrome (656153141351656).

The spelling of 313030021321343 in words is "three hundred thirteen trillion, thirty billion, twenty-one million, three hundred twenty-one thousand, three hundred forty-three".