30810969 has 16 divisors (see below), whose sum is σ = 52167040. Its totient is φ = 17606160.

The previous prime is 30810943. The next prime is 30810977. The reversal of 30810969 is 96901803.

It is not a de Polignac number, because 30810969 - 2⁷ = 30810841 is a prime.

It is a super-2 number, since 2×30810969² = 1898631621437922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30810929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81322 + ... + 81699.

It is an arithmetic number, because the mean of its divisors is an integer number (3260440).

Almost surely, 2^30810969 is an apocalyptic number.

It is an amenable number.

30810969 is a deficient number, since it is larger than the sum of its proper divisors (21356071).

30810969 is a wasteful number, since it uses less digits than its factorization.

30810969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163037 (or 163031 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 30810969 is about 5550.7629205362. The cubic root of 30810969 is about 313.4982486567.

The spelling of 30810969 in words is "thirty million, eight hundred ten thousand, nine hundred sixty-nine".