30885119 has 4 divisors (see below), whose sum is σ = 30914520. Its totient is φ = 30855720.

The previous prime is 30885109. The next prime is 30885131. The reversal of 30885119 is 91158803.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30885119 is a prime.

It is a super-2 number, since 2×30885119² = 1907781151288322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30885109) 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 3 ways as a sum of consecutive naturals, for example, 13064 + ... + 15245.

It is an arithmetic number, because the mean of its divisors is an integer number (7728630).

Almost surely, 2^30885119 is an apocalyptic number.

30885119 is a deficient number, since it is larger than the sum of its proper divisors (29401).

30885119 is a wasteful number, since it uses less digits than its factorization.

30885119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29400.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 30885119 is about 5557.4381687968. The cubic root of 30885119 is about 313.7495365675.

The spelling of 30885119 in words is "thirty million, eight hundred eighty-five thousand, one hundred nineteen".