30918766001 has 4 divisors (see below), whose sum is σ = 30921566832. Its totient is φ = 30915965172.

The previous prime is 30918765971. The next prime is 30918766009. The reversal of 30918766001 is 10066781903.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30918766001 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 30918766001.

It is not an unprimeable number, because it can be changed into a prime (30918766009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383791 + ... + 1405956.

It is an arithmetic number, because the mean of its divisors is an integer number (7730391708).

Almost surely, 2^30918766001 is an apocalyptic number.

It is an amenable number.

30918766001 is a deficient number, since it is larger than the sum of its proper divisors (2800831).

30918766001 is a wasteful number, since it uses less digits than its factorization.

30918766001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800830.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 30918766001 in words is "thirty billion, nine hundred eighteen million, seven hundred sixty-six thousand, one".