30811468 has 12 divisors (see below), whose sum is σ = 54476632. Its totient is φ = 15246720.

The previous prime is 30811457. The next prime is 30811477. The reversal of 30811468 is 86411803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39318 + ... + 40093.

Almost surely, 2^30811468 is an apocalyptic number.

It is an amenable number.

30811468 is a deficient number, since it is larger than the sum of its proper divisors (23665164).

30811468 is a wasteful number, since it uses less digits than its factorization.

30811468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79512 (or 79510 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 30811468 is about 5550.8078691304. The cubic root of 30811468 is about 313.4999410711.

The spelling of 30811468 in words is "thirty million, eight hundred eleven thousand, four hundred sixty-eight".