30181883121 has 80 divisors (see below), whose sum is σ = 49177497600. Its totient is φ = 18336834432.

The previous prime is 30181883111. The next prime is 30181883167. The reversal of 30181883121 is 12138818103.

It is not a de Polignac number, because 30181883121 - 2⁶ = 30181883057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30181883111) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 35973220 + ... + 35974058.

It is an arithmetic number, because the mean of its divisors is an integer number (614718720).

Almost surely, 2^30181883121 is an apocalyptic number.

It is an amenable number.

30181883121 is a deficient number, since it is larger than the sum of its proper divisors (18995614479).

30181883121 is a wasteful number, since it uses less digits than its factorization.

30181883121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 30181883121 in words is "thirty billion, one hundred eighty-one million, eight hundred eighty-three thousand, one hundred twenty-one".