30548881 has 8 divisors (see below), whose sum is σ = 35286624. Its totient is φ = 26137920.

The previous prime is 30548831. The next prime is 30548887. The reversal of 30548881 is 18884503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30548881 - 2¹⁹ = 30024593 is a prime.

It is a super-2 number, since 2×30548881² = 1866468260704322, which contains 22 as substring.

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 30548881.

It is not an unprimeable number, because it can be changed into a prime (30548887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81495 + ... + 81868.

It is an arithmetic number, because the mean of its divisors is an integer number (4410828).

Almost surely, 2^30548881 is an apocalyptic number.

It is an amenable number.

30548881 is a deficient number, since it is larger than the sum of its proper divisors (4737743).

30548881 is a wasteful number, since it uses less digits than its factorization.

30548881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163391.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 30548881 is about 5527.1042146860. The cubic root of 30548881 is about 312.6068106353.

It can be divided in two parts, 3054 and 8881, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 30548881 in words is "thirty million, five hundred forty-eight thousand, eight hundred eighty-one".