30317505007 has 4 divisors (see below), whose sum is σ = 30319094440. Its totient is φ = 30315915576.

The previous prime is 30317504963. The next prime is 30317505011. The reversal of 30317505007 is 70050571303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70050571303 = 271 ⋅258489193.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30317505007 is a prime.

It is a super-2 number, since 2×30317505007² (a number of 22 digits) contains 22 as substring.

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 30317505007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30317505107) 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 3 ways as a sum of consecutive naturals, for example, 765753 + ... + 804370.

It is an arithmetic number, because the mean of its divisors is an integer number (7579773610).

Almost surely, 2^30317505007 is an apocalyptic number.

30317505007 is a deficient number, since it is larger than the sum of its proper divisors (1589433).

30317505007 is a wasteful number, since it uses less digits than its factorization.

30317505007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589432.

The product of its (nonzero) digits is 11025, while the sum is 31.

The spelling of 30317505007 in words is "thirty billion, three hundred seventeen million, five hundred five thousand, seven".