30802225185 has 40 divisors (see below), whose sum is σ = 56562599016. Its totient is φ = 16027165440.

The previous prime is 30802225133. The next prime is 30802225187. The reversal of 30802225185 is 58152220803.

30802225185 is a `hidden beast` number, since 308 + 0 + 22 + 251 + 85 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1240237089 + 29561988096 = 35217^2 + 171936^2 .

It is not a de Polignac number, because 30802225185 - 2⁶ = 30802225121 is a prime.

It is a super-3 number, since 3×30802225185³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30802225187) 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 39 ways as a sum of consecutive naturals, for example, 910894 + ... + 944103.

Almost surely, 2^30802225185 is an apocalyptic number.

It is an amenable number.

30802225185 is a deficient number, since it is larger than the sum of its proper divisors (25760373831).

30802225185 is a wasteful number, since it uses less digits than its factorization.

30802225185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855055 (or 1855046 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

Adding to 30802225185 its reverse (58152220803), we get a palindrome (88954445988).

The spelling of 30802225185 in words is "thirty billion, eight hundred two million, two hundred twenty-five thousand, one hundred eighty-five".