42310400317 has 2 divisors, whose sum is σ = 42310400318. Its totient is φ = 42310400316.

The previous prime is 42310400299. The next prime is 42310400339. The reversal of 42310400317 is 71300401324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25853102521 + 16457297796 = 160789^2 + 128286^2 .

It is a cyclic number.

It is not a de Polignac number, because 42310400317 - 2¹⁵ = 42310367549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42310400291 and 42310400300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42310400347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21155200158 + 21155200159.

It is an arithmetic number, because the mean of its divisors is an integer number (21155200159).

Almost surely, 2^42310400317 is an apocalyptic number.

It is an amenable number.

42310400317 is a deficient number, since it is larger than the sum of its proper divisors (1).

42310400317 is an equidigital number, since it uses as much as digits as its factorization.

42310400317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The spelling of 42310400317 in words is "forty-two billion, three hundred ten million, four hundred thousand, three hundred seventeen".