30802832811 has 12 divisors (see below), whose sum is σ = 44504147688. Its totient is φ = 20530067904.

The previous prime is 30802832803. The next prime is 30802832849. The reversal of 30802832811 is 11823820803.

30802832811 is a `hidden beast` number, since 308 + 0 + 28 + 328 + 1 + 1 = 666.

It is not a de Polignac number, because 30802832811 - 2³ = 30802832803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30802832891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391470 + ... + 463523.

It is an arithmetic number, because the mean of its divisors is an integer number (3708678974).

Almost surely, 2^30802832811 is an apocalyptic number.

30802832811 is a deficient number, since it is larger than the sum of its proper divisors (13701314877).

30802832811 is a wasteful number, since it uses less digits than its factorization.

30802832811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859002 (or 858999 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 30802832811 in words is "thirty billion, eight hundred two million, eight hundred thirty-two thousand, eight hundred eleven".