30691698811 has 8 divisors (see below), whose sum is σ = 32316770880. Its totient is φ = 29067598728.

The previous prime is 30691698803. The next prime is 30691698859. The reversal of 30691698811 is 11889619603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30691698811 - 2³ = 30691698803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30691690811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177721 + ... + 304906.

It is an arithmetic number, because the mean of its divisors is an integer number (4039596360).

Almost surely, 2^30691698811 is an apocalyptic number.

30691698811 is a deficient number, since it is larger than the sum of its proper divisors (1625072069).

30691698811 is a wasteful number, since it uses less digits than its factorization.

30691698811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485993.

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 30691698811 in words is "thirty billion, six hundred ninety-one million, six hundred ninety-eight thousand, eight hundred eleven".