30305011 has 16 divisors (see below), whose sum is σ = 34384896. Its totient is φ = 26460000.

The previous prime is 30304997. The next prime is 30305017. The reversal of 30305011 is 11050303.

It is a cyclic number.

It is not a de Polignac number, because 30305011 - 2⁵ = 30304979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30304982 and 30305000.

It is not an unprimeable number, because it can be changed into a prime (30305017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61476 + ... + 61966.

It is an arithmetic number, because the mean of its divisors is an integer number (2149056).

Almost surely, 2^30305011 is an apocalyptic number.

30305011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30305011 is a deficient number, since it is larger than the sum of its proper divisors (4079885).

30305011 is a wasteful number, since it uses less digits than its factorization.

30305011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 30305011 is about 5504.9987284286. The cubic root of 30305011 is about 311.7727463866.

Adding to 30305011 its reverse (11050303), we get a palindrome (41355314).

The spelling of 30305011 in words is "thirty million, three hundred five thousand, eleven".