30055316881 has 4 divisors (see below), whose sum is σ = 31024843264. Its totient is φ = 29085790500.

The previous prime is 30055316849. The next prime is 30055316887. The reversal of 30055316881 is 18861355003.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18861355003 = 83 ⋅227245241.

It is a cyclic number.

It is not a de Polignac number, because 30055316881 - 2⁵ = 30055316849 is a prime.

It is a super-2 number, since 2×30055316881² (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 (30055316887) 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, 484763145 + ... + 484763206.

It is an arithmetic number, because the mean of its divisors is an integer number (7756210816).

Almost surely, 2^30055316881 is an apocalyptic number.

30055316881 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30055316881 is a deficient number, since it is larger than the sum of its proper divisors (969526383).

30055316881 is an equidigital number, since it uses as much as digits as its factorization.

30055316881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969526382.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 30055316881 in words is "thirty billion, fifty-five million, three hundred sixteen thousand, eight hundred eighty-one".