30690011 has 4 divisors (see below), whose sum is σ = 33480024. Its totient is φ = 27900000.

The previous prime is 30690007. The next prime is 30690029. The reversal of 30690011 is 11009603.

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

It is a cyclic number.

It is not a de Polignac number, because 30690011 - 2² = 30690007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30690001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394990 + ... + 1395011.

It is an arithmetic number, because the mean of its divisors is an integer number (8370006).

Almost surely, 2^30690011 is an apocalyptic number.

30690011 is a deficient number, since it is larger than the sum of its proper divisors (2790013).

30690011 is a wasteful number, since it uses less digits than its factorization.

30690011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790012.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 30690011 is about 5539.8565865914. The cubic root of 30690011 is about 313.0874658165.

Adding to 30690011 its reverse (11009603), we get a palindrome (41699614).

The spelling of 30690011 in words is "thirty million, six hundred ninety thousand, eleven".