30805662051 has 12 divisors (see below), whose sum is σ = 45582362280. Its totient is φ = 20036202720.

The previous prime is 30805662047. The next prime is 30805662091. The reversal of 30805662051 is 15026650803.

30805662051 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 30805662051 - 2² = 30805662047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30805661997 and 30805662015.

It is not an unprimeable number, because it can be changed into a prime (30805662011) 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, 41741721 + ... + 41742458.

It is an arithmetic number, because the mean of its divisors is an integer number (3798530190).

Almost surely, 2^30805662051 is an apocalyptic number.

30805662051 is a deficient number, since it is larger than the sum of its proper divisors (14776700229).

30805662051 is a wasteful number, since it uses less digits than its factorization.

30805662051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83484226 (or 83484223 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 30805662051 in words is "thirty billion, eight hundred five million, six hundred sixty-two thousand, fifty-one".