30885329 has 2 divisors, whose sum is σ = 30885330. Its totient is φ = 30885328.

The previous prime is 30885307. The next prime is 30885367. The reversal of 30885329 is 92358803.

It is an a-pointer prime, because the next prime (30885367) can be obtained adding 30885329 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22819729 + 8065600 = 4777^2 + 2840^2 .

It is a cyclic number.

It is not a de Polignac number, because 30885329 - 2²⁰ = 29836753 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30885292 and 30885301.

It is not a weakly prime, because it can be changed into another prime (30885529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15442664 + 15442665.

It is an arithmetic number, because the mean of its divisors is an integer number (15442665).

Almost surely, 2^30885329 is an apocalyptic number.

It is an amenable number.

30885329 is a deficient number, since it is larger than the sum of its proper divisors (1).

30885329 is an equidigital number, since it uses as much as digits as its factorization.

30885329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 30885329 is about 5557.4570623622. The cubic root of 30885329 is about 313.7502476678.

The spelling of 30885329 in words is "thirty million, eight hundred eighty-five thousand, three hundred twenty-nine".