10011223231 has 4 divisors (see below), whose sum is σ = 10022878600. Its totient is φ = 9999567864.

The previous prime is 10011223219. The next prime is 10011223241. The reversal of 10011223231 is 13232211001.

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 10011223231 - 2¹¹ = 10011221183 is a prime.

It is a super-3 number, since 3×10011223231³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011223241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5826396 + ... + 5828113.

It is an arithmetic number, because the mean of its divisors is an integer number (2505719650).

Almost surely, 2^10011223231 is an apocalyptic number.

10011223231 is a deficient number, since it is larger than the sum of its proper divisors (11655369).

10011223231 is an equidigital number, since it uses as much as digits as its factorization.

10011223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11655368.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10011223231 its reverse (13232211001), we get a palindrome (23243434232).

The spelling of 10011223231 in words is "ten billion, eleven million, two hundred twenty-three thousand, two hundred thirty-one".