30720027213017 has 4 divisors (see below), whose sum is σ = 31178535081936. Its totient is φ = 30261519344100.

The previous prime is 30720027212999. The next prime is 30720027213053. The reversal of 30720027213017 is 71031272002703.

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 not a de Polignac number, because 30720027213017 - 2³² = 30715732245721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30720027213817) 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, 229253934359 + ... + 229253934492.

It is an arithmetic number, because the mean of its divisors is an integer number (7794633770484).

Almost surely, 2^{30720027213017} is an apocalyptic number.

It is an amenable number.

30720027213017 is a deficient number, since it is larger than the sum of its proper divisors (458507868919).

30720027213017 is an equidigital number, since it uses as much as digits as its factorization.

30720027213017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458507868918.

The product of its (nonzero) digits is 24696, while the sum is 35.

The spelling of 30720027213017 in words is "thirty trillion, seven hundred twenty billion, twenty-seven million, two hundred thirteen thousand, seventeen".