30120451617 has 16 divisors (see below), whose sum is σ = 41169793280. Its totient is φ = 19577415312.

The previous prime is 30120451589. The next prime is 30120451633. The reversal of 30120451617 is 71615402103.

It is not a de Polignac number, because 30120451617 - 2¹⁰ = 30120450593 is a prime.

It is a super-2 number, since 2×30120451617² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30120451217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142867 + ... + 283992.

It is an arithmetic number, because the mean of its divisors is an integer number (2573112080).

Almost surely, 2^30120451617 is an apocalyptic number.

It is an amenable number.

30120451617 is a deficient number, since it is larger than the sum of its proper divisors (11049341663).

30120451617 is a wasteful number, since it uses less digits than its factorization.

30120451617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427452.

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 30120451617 in words is "thirty billion, one hundred twenty million, four hundred fifty-one thousand, six hundred seventeen".