305042011 has 8 divisors (see below), whose sum is σ = 309049664. Its totient is φ = 301052160.

The previous prime is 305041993. The next prime is 305042041. The reversal of 305042011 is 110240503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 305042011 - 2¹³ = 305033819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305042041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31966 + ... + 40396.

It is an arithmetic number, because the mean of its divisors is an integer number (38631208).

Almost surely, 2^305042011 is an apocalyptic number.

305042011 is a deficient number, since it is larger than the sum of its proper divisors (4007653).

305042011 is an equidigital number, since it uses as much as digits as its factorization.

305042011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8901.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 305042011 is about 17465.4519265892. The cubic root of 305042011 is about 673.1624542416.

Adding to 305042011 its reverse (110240503), we get a palindrome (415282514).

The spelling of 305042011 in words is "three hundred five million, forty-two thousand, eleven".