313261441543 has 2 divisors, whose sum is σ = 313261441544. Its totient is φ = 313261441542.

The previous prime is 313261441429. The next prime is 313261441579. The reversal of 313261441543 is 345144162313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313261441543 - 2³⁷ = 175822488071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313261241543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156630720771 + 156630720772.

It is an arithmetic number, because the mean of its divisors is an integer number (156630720772).

Almost surely, 2^313261441543 is an apocalyptic number.

313261441543 is a deficient number, since it is larger than the sum of its proper divisors (1).

313261441543 is an equidigital number, since it uses as much as digits as its factorization.

313261441543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 37.

The spelling of 313261441543 in words is "three hundred thirteen billion, two hundred sixty-one million, four hundred forty-one thousand, five hundred forty-three".