1318016971 has 8 divisors (see below), whose sum is σ = 1347904080. Its totient is φ = 1288449792.

The previous prime is 1318016933. The next prime is 1318016977. The reversal of 1318016971 is 1796108131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1318016971 - 2¹¹ = 1318014923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1318016971.

It is not an unprimeable number, because it can be changed into a prime (1318016977) 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 in 7 ways as a sum of consecutive naturals, for example, 71641 + ... + 88138.

It is an arithmetic number, because the mean of its divisors is an integer number (168488010).

Almost surely, 2^1318016971 is an apocalyptic number.

1318016971 is a deficient number, since it is larger than the sum of its proper divisors (29887109).

1318016971 is a wasteful number, since it uses less digits than its factorization.

1318016971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159965.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 1318016971 is about 36304.5034534285. The cubic root of 1318016971 is about 1096.4117154568.

The spelling of 1318016971 in words is "one billion, three hundred eighteen million, sixteen thousand, nine hundred seventy-one".