1230011011 has 4 divisors (see below), whose sum is σ = 1233222912. Its totient is φ = 1226799112.

The previous prime is 1230010987. The next prime is 1230011023. The reversal of 1230011011 is 1101100321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1230011011 - 2¹¹ = 1230008963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230011051) 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 3 ways as a sum of consecutive naturals, for example, 1605376 + ... + 1606141.

It is an arithmetic number, because the mean of its divisors is an integer number (308305728).

Almost surely, 2^1230011011 is an apocalyptic number.

1230011011 is a deficient number, since it is larger than the sum of its proper divisors (3211901).

1230011011 is an equidigital number, since it uses as much as digits as its factorization.

1230011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211900.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1230011011 is about 35071.5128131080. The cubic root of 1230011011 is about 1071.4444668736. Note that the first 4 decimals are identical.

Adding to 1230011011 its reverse (1101100321), we get a palindrome (2331111332).

The spelling of 1230011011 in words is "one billion, two hundred thirty million, eleven thousand, eleven".