238030011 has 6 divisors (see below), whose sum is σ = 343821140. Its totient is φ = 158686668.

The previous prime is 238030003. The next prime is 238030019. The reversal of 238030011 is 110030832.

It is an interprime number because it is at equal distance from previous prime (238030003) and next prime (238030019).

It is not a de Polignac number, because 238030011 - 2³ = 238030003 is a prime.

It is a super-2 number, since 2×238030011² = 113316572273320242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238030019) 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 5 ways as a sum of consecutive naturals, for example, 13223881 + ... + 13223898.

Almost surely, 2^238030011 is an apocalyptic number.

238030011 is a deficient number, since it is larger than the sum of its proper divisors (105791129).

238030011 is a wasteful number, since it uses less digits than its factorization.

238030011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26447785 (or 26447782 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 238030011 is about 15428.2212519785. The cubic root of 238030011 is about 619.7414903908.

Adding to 238030011 its reverse (110030832), we get a palindrome (348060843).

The spelling of 238030011 in words is "two hundred thirty-eight million, thirty thousand, eleven".