30488302881 has 63 divisors (see below), whose sum is σ = 47555405859. Its totient is φ = 19536651792.

The previous prime is 30488302853. The next prime is 30488302903. The reversal of 30488302881 is 18820388403.

The square root of 30488302881 is 174609.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15987326481 + 14500976400 = 126441^2 + 120420^2 .

It is not a de Polignac number, because 30488302881 - 2⁵ = 30488302849 is a prime.

It is a super-2 number, since 2×30488302881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30488302181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 136718736 + ... + 136718958.

Almost surely, 2^30488302881 is an apocalyptic number.

30488302881 is the 174609-th square number.

30488302881 is the 87305-th centered octagonal number.

It is an amenable number.

30488302881 is a deficient number, since it is larger than the sum of its proper divisors (17067102978).

30488302881 is an frugal number, since it uses more digits than its factorization.

30488302881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 30488302881 in words is "thirty billion, four hundred eighty-eight million, three hundred two thousand, eight hundred eighty-one".