30803528386 has 32 divisors (see below), whose sum is σ = 52242900480. Its totient is φ = 13544428800.

The previous prime is 30803528381. The next prime is 30803528447. The reversal of 30803528386 is 68382530803.

It is a super-2 number, since 2×30803528386² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30803528381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473320 + ... + 534451.

It is an arithmetic number, because the mean of its divisors is an integer number (1632590640).

Almost surely, 2^30803528386 is an apocalyptic number.

30803528386 is a deficient number, since it is larger than the sum of its proper divisors (21439372094).

30803528386 is a wasteful number, since it uses less digits than its factorization.

30803528386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007850.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 30803528386 in words is "thirty billion, eight hundred three million, five hundred twenty-eight thousand, three hundred eighty-six".