317906344442 has 16 divisors (see below), whose sum is σ = 489403288872. Its totient is φ = 154815697920.

The previous prime is 317906344411. The next prime is 317906344477. The reversal of 317906344442 is 244443609713.

It can be written as a sum of positive squares in 4 ways, for example, as 316292635201 + 1613709241 = 562399^2 + 40171^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 10931159 + ... + 10960202.

Almost surely, 2^317906344442 is an apocalyptic number.

317906344442 is a deficient number, since it is larger than the sum of its proper divisors (171496944430).

317906344442 is a wasteful number, since it uses less digits than its factorization.

317906344442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21891553.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 317906344442 in words is "three hundred seventeen billion, nine hundred six million, three hundred forty-four thousand, four hundred forty-two".