30840270911 has 8 divisors (see below), whose sum is σ = 32711008320. Its totient is φ = 28975822848.

The previous prime is 30840270899. The next prime is 30840270913. The reversal of 30840270911 is 11907204803.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30840270911 is a prime.

It is a super-2 number, since 2×30840270911² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30840270913) 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, 1562231 + ... + 1581848.

It is an arithmetic number, because the mean of its divisors is an integer number (4088876040).

Almost surely, 2^30840270911 is an apocalyptic number.

30840270911 is a deficient number, since it is larger than the sum of its proper divisors (1870737409).

30840270911 is a wasteful number, since it uses less digits than its factorization.

30840270911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144673.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 30840270911 in words is "thirty billion, eight hundred forty million, two hundred seventy thousand, nine hundred eleven".