318307070145 has 16 divisors (see below), whose sum is σ = 509298641280. Its totient is φ = 169761327744.

The previous prime is 318307070111. The next prime is 318307070173. The reversal of 318307070145 is 541070703813.

It is not a de Polignac number, because 318307070145 - 2⁸ = 318307069889 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1504836 + ... + 1703274.

It is an arithmetic number, because the mean of its divisors is an integer number (31831165080).

Almost surely, 2^318307070145 is an apocalyptic number.

It is an amenable number.

318307070145 is a deficient number, since it is larger than the sum of its proper divisors (190991571135).

318307070145 is a wasteful number, since it uses less digits than its factorization.

318307070145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305384.

The product of its (nonzero) digits is 70560, while the sum is 39.

Adding to 318307070145 its reverse (541070703813), we get a palindrome (859377773958).

The spelling of 318307070145 in words is "three hundred eighteen billion, three hundred seven million, seventy thousand, one hundred forty-five".