30308136908 has 24 divisors (see below), whose sum is σ = 61346595072. Its totient is φ = 12832704144.

The previous prime is 30308136853. The next prime is 30308136931. The reversal of 30308136908 is 80963180303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6518360 + ... + 6523007.

It is an arithmetic number, because the mean of its divisors is an integer number (2556108128).

Almost surely, 2^30308136908 is an apocalyptic number.

It is an amenable number.

30308136908 is an abundant number, since it is smaller than the sum of its proper divisors (31038458164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30308136908 is a wasteful number, since it uses less digits than its factorization.

30308136908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13041461 (or 13041459 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 30308136908 in words is "thirty billion, three hundred eight million, one hundred thirty-six thousand, nine hundred eight".