316610321543 has 2 divisors, whose sum is σ = 316610321544. Its totient is φ = 316610321542.

The previous prime is 316610321507. The next prime is 316610321569. The reversal of 316610321543 is 345123016613.

It is a strong prime.

It is an emirp because it is prime and its reverse (345123016613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316610321543 - 2¹⁴ = 316610305159 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316610327543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158305160771 + 158305160772.

It is an arithmetic number, because the mean of its divisors is an integer number (158305160772).

Almost surely, 2^316610321543 is an apocalyptic number.

316610321543 is a deficient number, since it is larger than the sum of its proper divisors (1).

316610321543 is an equidigital number, since it uses as much as digits as its factorization.

316610321543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 316610321543 in words is "three hundred sixteen billion, six hundred ten million, three hundred twenty-one thousand, five hundred forty-three".