30684011 has 2 divisors, whose sum is σ = 30684012. Its totient is φ = 30684010.

The previous prime is 30684007. The next prime is 30684053. The reversal of 30684011 is 11048603.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30684011 - 2² = 30684007 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30684061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15342005 + 15342006.

It is an arithmetic number, because the mean of its divisors is an integer number (15342006).

Almost surely, 2^30684011 is an apocalyptic number.

30684011 is a deficient number, since it is larger than the sum of its proper divisors (1).

30684011 is an equidigital number, since it uses as much as digits as its factorization.

30684011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 30684011 is about 5539.3150298570. The cubic root of 30684011 is about 313.0670612705.

The spelling of 30684011 in words is "thirty million, six hundred eighty-four thousand, eleven".