30980085 has 16 divisors (see below), whose sum is σ = 49762944. Its totient is φ = 16457792.

The previous prime is 30980083. The next prime is 30980101. The reversal of 30980085 is 58008903.

It is a cyclic number.

It is not a de Polignac number, because 30980085 - 2¹ = 30980083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30980083) 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 15 ways as a sum of consecutive naturals, for example, 19 + ... + 7871.

It is an arithmetic number, because the mean of its divisors is an integer number (3110184).

Almost surely, 2^30980085 is an apocalyptic number.

It is an amenable number.

30980085 is a deficient number, since it is larger than the sum of its proper divisors (18782859).

30980085 is a wasteful number, since it uses less digits than its factorization.

30980085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8124.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 30980085 is about 5565.9756557139. The cubic root of 30980085 is about 314.0707813712.

Adding to 30980085 its reverse (58008903), we get a palindrome (88988988).

The spelling of 30980085 in words is "thirty million, nine hundred eighty thousand, eighty-five".